diff --git a/models/user_mail.go b/models/user_mail.go
index 41f08c9db28..d68d1d37d2a 100644
--- a/models/user_mail.go
+++ b/models/user_mail.go
@@ -1,4 +1,5 @@
 // Copyright 2016 The Gogs Authors. All rights reserved.
+// Copyright 2020 The Gitea Authors. All rights reserved.
 // Use of this source code is governed by a MIT-style
 // license that can be found in the LICENSE file.
 
@@ -8,6 +9,12 @@ import (
 	"errors"
 	"fmt"
 	"strings"
+
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/util"
+
+	"xorm.io/builder"
 )
 
 var (
@@ -54,13 +61,66 @@ func GetEmailAddresses(uid int64) ([]*EmailAddress, error) {
 	if !isPrimaryFound {
 		emails = append(emails, &EmailAddress{
 			Email:       u.Email,
-			IsActivated: true,
+			IsActivated: u.IsActive,
 			IsPrimary:   true,
 		})
 	}
 	return emails, nil
 }
 
+// GetEmailAddressByID gets a user's email address by ID
+func GetEmailAddressByID(uid, id int64) (*EmailAddress, error) {
+	// User ID is required for security reasons
+	email := &EmailAddress{ID: id, UID: uid}
+	if has, err := x.Get(email); err != nil {
+		return nil, err
+	} else if !has {
+		return nil, nil
+	}
+	return email, nil
+}
+
+func isEmailActive(e Engine, email string, userID, emailID int64) (bool, error) {
+	if len(email) == 0 {
+		return true, nil
+	}
+
+	// Can't filter by boolean field unless it's explicit
+	cond := builder.NewCond()
+	cond = cond.And(builder.Eq{"email": email}, builder.Neq{"id": emailID})
+	if setting.Service.RegisterEmailConfirm {
+		// Inactive (unvalidated) addresses don't count as active if email validation is required
+		cond = cond.And(builder.Eq{"is_activated": true})
+	}
+
+	em := EmailAddress{}
+
+	if has, err := e.Where(cond).Get(&em); has || err != nil {
+		if has {
+			log.Info("isEmailActive('%s',%d,%d) found duplicate in email ID %d", email, userID, emailID, em.ID)
+		}
+		return has, err
+	}
+
+	// Can't filter by boolean field unless it's explicit
+	cond = builder.NewCond()
+	cond = cond.And(builder.Eq{"email": email}, builder.Neq{"id": userID})
+	if setting.Service.RegisterEmailConfirm {
+		cond = cond.And(builder.Eq{"is_active": true})
+	}
+
+	us := User{}
+
+	if has, err := e.Where(cond).Get(&us); has || err != nil {
+		if has {
+			log.Info("isEmailActive('%s',%d,%d) found duplicate in user ID %d", email, userID, emailID, us.ID)
+		}
+		return has, err
+	}
+
+	return false, nil
+}
+
 func isEmailUsed(e Engine, email string) (bool, error) {
 	if len(email) == 0 {
 		return true, nil
@@ -118,31 +178,30 @@ func AddEmailAddresses(emails []*EmailAddress) error {
 
 // Activate activates the email address to given user.
 func (email *EmailAddress) Activate() error {
-	user, err := GetUserByID(email.UID)
-	if err != nil {
+	sess := x.NewSession()
+	defer sess.Close()
+	if err := sess.Begin(); err != nil {
 		return err
 	}
-	if user.Rands, err = GetUserSalt(); err != nil {
+	if err := email.updateActivation(sess, true); err != nil {
 		return err
 	}
+	return sess.Commit()
+}
 
-	sess := x.NewSession()
-	defer sess.Close()
-	if err = sess.Begin(); err != nil {
+func (email *EmailAddress) updateActivation(e Engine, activate bool) error {
+	user, err := getUserByID(e, email.UID)
+	if err != nil {
 		return err
 	}
-
-	email.IsActivated = true
-	if _, err := sess.
-		ID(email.ID).
-		Cols("is_activated").
-		Update(email); err != nil {
+	if user.Rands, err = GetUserSalt(); err != nil {
 		return err
-	} else if err = updateUserCols(sess, user, "rands"); err != nil {
+	}
+	email.IsActivated = activate
+	if _, err := e.ID(email.ID).Cols("is_activated").Update(email); err != nil {
 		return err
 	}
-
-	return sess.Commit()
+	return updateUserCols(e, user, "rands")
 }
 
 // DeleteEmailAddress deletes an email address of given user.
@@ -228,3 +287,199 @@ func MakeEmailPrimary(email *EmailAddress) error {
 
 	return sess.Commit()
 }
+
+// SearchEmailOrderBy is used to sort the results from SearchEmails()
+type SearchEmailOrderBy string
+
+func (s SearchEmailOrderBy) String() string {
+	return string(s)
+}
+
+// Strings for sorting result
+const (
+	SearchEmailOrderByEmail        SearchEmailOrderBy = "emails.email ASC, is_primary DESC, sortid ASC"
+	SearchEmailOrderByEmailReverse SearchEmailOrderBy = "emails.email DESC, is_primary ASC, sortid DESC"
+	SearchEmailOrderByName         SearchEmailOrderBy = "`user`.lower_name ASC, is_primary DESC, sortid ASC"
+	SearchEmailOrderByNameReverse  SearchEmailOrderBy = "`user`.lower_name DESC, is_primary ASC, sortid DESC"
+)
+
+// SearchEmailOptions are options to search e-mail addresses for the admin panel
+type SearchEmailOptions struct {
+	Page        int
+	PageSize    int // Can be smaller than or equal to setting.UI.ExplorePagingNum
+	Keyword     string
+	SortType    SearchEmailOrderBy
+	IsPrimary   util.OptionalBool
+	IsActivated util.OptionalBool
+}
+
+// SearchEmailResult is an e-mail address found in the user or email_address table
+type SearchEmailResult struct {
+	UID         int64
+	Email       string
+	IsActivated bool
+	IsPrimary   bool
+	// From User
+	Name     string
+	FullName string
+}
+
+// SearchEmails takes options i.e. keyword and part of email name to search,
+// it returns results in given range and number of total results.
+func SearchEmails(opts *SearchEmailOptions) ([]*SearchEmailResult, int64, error) {
+	// Unfortunately, UNION support for SQLite in xorm is currently broken, so we must
+	// build the SQL ourselves.
+	where := make([]string, 0, 5)
+	args := make([]interface{}, 0, 5)
+
+	emailsSQL := "(SELECT id as sortid, uid, email, is_activated, 0 as is_primary " +
+		"FROM email_address " +
+		"UNION ALL " +
+		"SELECT id as sortid, id AS uid, email, is_active AS is_activated, 1 as is_primary " +
+		"FROM `user` " +
+		"WHERE type = ?) AS emails"
+	args = append(args, UserTypeIndividual)
+
+	if len(opts.Keyword) > 0 {
+		// Note: % can be injected in the Keyword parameter, but it won't do any harm.
+		where = append(where, "(lower(`user`.full_name) LIKE ? OR `user`.lower_name LIKE ? OR emails.email LIKE ?)")
+		likeStr := "%" + strings.ToLower(opts.Keyword) + "%"
+		args = append(args, likeStr)
+		args = append(args, likeStr)
+		args = append(args, likeStr)
+	}
+
+	switch {
+	case opts.IsPrimary.IsTrue():
+		where = append(where, "emails.is_primary = ?")
+		args = append(args, true)
+	case opts.IsPrimary.IsFalse():
+		where = append(where, "emails.is_primary = ?")
+		args = append(args, false)
+	}
+
+	switch {
+	case opts.IsActivated.IsTrue():
+		where = append(where, "emails.is_activated = ?")
+		args = append(args, true)
+	case opts.IsActivated.IsFalse():
+		where = append(where, "emails.is_activated = ?")
+		args = append(args, false)
+	}
+
+	var whereStr string
+	if len(where) > 0 {
+		whereStr = "WHERE " + strings.Join(where, " AND ")
+	}
+
+	joinSQL := "FROM " + emailsSQL + " INNER JOIN `user` ON `user`.id = emails.uid " + whereStr
+
+	count, err := x.SQL("SELECT count(*) "+joinSQL, args...).Count()
+	if err != nil {
+		return nil, 0, fmt.Errorf("Count: %v", err)
+	}
+
+	orderby := opts.SortType.String()
+	if orderby == "" {
+		orderby = SearchEmailOrderByEmail.String()
+	}
+
+	querySQL := "SELECT emails.uid, emails.email, emails.is_activated, emails.is_primary, " +
+		"`user`.name, `user`.full_name " + joinSQL + " ORDER BY " + orderby
+
+	if opts.PageSize == 0 || opts.PageSize > setting.UI.ExplorePagingNum {
+		opts.PageSize = setting.UI.ExplorePagingNum
+	}
+	if opts.Page <= 0 {
+		opts.Page = 1
+	}
+
+	rows, err := x.SQL(querySQL, args...).Rows(new(SearchEmailResult))
+	if err != nil {
+		return nil, 0, fmt.Errorf("Emails: %v", err)
+	}
+
+	// Page manually because xorm can't handle Limit() with raw SQL
+	defer rows.Close()
+
+	emails := make([]*SearchEmailResult, 0, opts.PageSize)
+	skip := (opts.Page - 1) * opts.PageSize
+
+	for rows.Next() {
+		var email SearchEmailResult
+		if err := rows.Scan(&email); err != nil {
+			return nil, 0, err
+		}
+		if skip > 0 {
+			skip--
+			continue
+		}
+		emails = append(emails, &email)
+		if len(emails) == opts.PageSize {
+			break
+		}
+	}
+
+	return emails, count, err
+}
+
+// ActivateUserEmail will change the activated state of an email address,
+// either primary (in the user table) or secondary (in the email_address table)
+func ActivateUserEmail(userID int64, email string, primary, activate bool) (err error) {
+	sess := x.NewSession()
+	defer sess.Close()
+	if err = sess.Begin(); err != nil {
+		return err
+	}
+	if primary {
+		// Activate/deactivate a user's primary email address
+		user := User{ID: userID, Email: email}
+		if has, err := sess.Get(&user); err != nil {
+			return err
+		} else if !has {
+			return fmt.Errorf("no such user: %d (%s)", userID, email)
+		}
+		if user.IsActive == activate {
+			// Already in the desired state; no action
+			return nil
+		}
+		if activate {
+			if used, err := isEmailActive(sess, email, userID, 0); err != nil {
+				return fmt.Errorf("isEmailActive(): %v", err)
+			} else if used {
+				return ErrEmailAlreadyUsed{Email: email}
+			}
+		}
+		user.IsActive = activate
+		if user.Rands, err = GetUserSalt(); err != nil {
+			return fmt.Errorf("generate salt: %v", err)
+		}
+		if err = updateUserCols(sess, &user, "is_active", "rands"); err != nil {
+			return fmt.Errorf("updateUserCols(): %v", err)
+		}
+	} else {
+		// Activate/deactivate a user's secondary email address
+		// First check if there's another user active with the same address
+		addr := EmailAddress{UID: userID, Email: email}
+		if has, err := sess.Get(&addr); err != nil {
+			return err
+		} else if !has {
+			return fmt.Errorf("no such email: %d (%s)", userID, email)
+		}
+		if addr.IsActivated == activate {
+			// Already in the desired state; no action
+			return nil
+		}
+		if activate {
+			if used, err := isEmailActive(sess, email, 0, addr.ID); err != nil {
+				return fmt.Errorf("isEmailActive(): %v", err)
+			} else if used {
+				return ErrEmailAlreadyUsed{Email: email}
+			}
+		}
+		if err = addr.updateActivation(sess, activate); err != nil {
+			return fmt.Errorf("updateActivation(): %v", err)
+		}
+	}
+	return sess.Commit()
+}
diff --git a/models/user_mail_test.go b/models/user_mail_test.go
index 3352194e1fd..45d8fcaab52 100644
--- a/models/user_mail_test.go
+++ b/models/user_mail_test.go
@@ -7,6 +7,8 @@ package models
 import (
 	"testing"
 
+	"code.gitea.io/gitea/modules/util"
+
 	"github.com/stretchr/testify/assert"
 )
 
@@ -169,3 +171,65 @@ func TestActivate(t *testing.T) {
 	assert.True(t, emails[2].IsActivated)
 	assert.True(t, emails[2].IsPrimary)
 }
+
+func TestListEmails(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+
+	// Must find all users and their emails
+	opts := &SearchEmailOptions{}
+	emails, count, err := SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.NotEqual(t, int64(0), count)
+	assert.True(t, count > 5)
+
+	contains := func(match func(s *SearchEmailResult) bool) bool {
+		for _, v := range emails {
+			if match(v) {
+				return true
+			}
+		}
+		return false
+	}
+
+	assert.True(t, contains(func(s *SearchEmailResult) bool { return s.UID == 18 }))
+	// 'user3' is an organization
+	assert.False(t, contains(func(s *SearchEmailResult) bool { return s.UID == 3 }))
+
+	// Must find no records
+	opts = &SearchEmailOptions{Keyword: "NOTFOUND"}
+	emails, count, err = SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.Equal(t, int64(0), count)
+
+	// Must find users 'user2', 'user28', etc.
+	opts = &SearchEmailOptions{Keyword: "user2"}
+	emails, count, err = SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.NotEqual(t, int64(0), count)
+	assert.True(t, contains(func(s *SearchEmailResult) bool { return s.UID == 2 }))
+	assert.True(t, contains(func(s *SearchEmailResult) bool { return s.UID == 27 }))
+
+	// Must find only primary addresses (i.e. from the `user` table)
+	opts = &SearchEmailOptions{IsPrimary: util.OptionalBoolTrue}
+	emails, count, err = SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.True(t, contains(func(s *SearchEmailResult) bool { return s.IsPrimary }))
+	assert.False(t, contains(func(s *SearchEmailResult) bool { return !s.IsPrimary }))
+
+	// Must find only inactive addresses (i.e. not validated)
+	opts = &SearchEmailOptions{IsActivated: util.OptionalBoolFalse}
+	emails, count, err = SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.True(t, contains(func(s *SearchEmailResult) bool { return !s.IsActivated }))
+	assert.False(t, contains(func(s *SearchEmailResult) bool { return s.IsActivated }))
+
+	// Must find more than one page, but retrieve only one
+	opts = &SearchEmailOptions{
+		PageSize: 5,
+		Page:     1,
+	}
+	emails, count, err = SearchEmails(opts)
+	assert.NoError(t, err)
+	assert.Equal(t, 5, len(emails))
+	assert.True(t, count > int64(len(emails)))
+}
diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index f26f38ba33e..cac7eba9f34 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -435,7 +435,11 @@ manage_openid = Manage OpenID Addresses
 email_desc = Your primary email address will be used for notifications and other operations.
 theme_desc = This will be your default theme across the site.
 primary = Primary
+activated = Activated
+requires_activation = Requires activation
 primary_email = Make Primary
+activate_email = Send Activation
+activations_pending = Activations Pending
 delete_email = Remove
 email_deletion = Remove Email Address
 email_deletion_desc = The email address and related information will be removed from your account. Git commits by this email address will remain unchanged. Continue?
@@ -1688,6 +1692,7 @@ organizations = Organizations
 repositories = Repositories
 hooks = Default Webhooks
 authentication = Authentication Sources
+emails = User Emails
 config = Configuration
 notices = System Notices
 monitor = Monitoring
@@ -1757,6 +1762,7 @@ dashboard.gc_times = GC Times
 users.user_manage_panel = User Account Management
 users.new_account = Create User Account
 users.name = Username
+users.full_name = Full Name
 users.activated = Activated
 users.admin = Admin
 users.restricted = Restricted
@@ -1788,6 +1794,19 @@ users.still_own_repo = This user still owns one or more repositories. Delete or
 users.still_has_org = This user is a member of an organization. Remove the user from any organizations first.
 users.deletion_success = The user account has been deleted.
 
+emails.email_manage_panel = User Email Management
+emails.primary = Primary
+emails.activated = Activated
+emails.filter_sort.email = Email
+emails.filter_sort.email_reverse = Email (reverse)
+emails.filter_sort.name = User Name
+emails.filter_sort.name_reverse = User Name (reverse)
+emails.updated = Email updated
+emails.not_updated = Failed to update the requested email address: %v
+emails.duplicate_active = This email address is already active for a different user.
+emails.change_email_header = Update Email Properties
+emails.change_email_text = Are your sure you want to update this email address?
+
 orgs.org_manage_panel = Organization Management
 orgs.name = Name
 orgs.teams = Teams
diff --git a/routers/admin/emails.go b/routers/admin/emails.go
new file mode 100644
index 00000000000..760c6e2ce11
--- /dev/null
+++ b/routers/admin/emails.go
@@ -0,0 +1,155 @@
+// Copyright 2020 The Gitea Authors.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package admin
+
+import (
+	"bytes"
+	"net/url"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/base"
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/util"
+
+	"github.com/unknwon/com"
+)
+
+const (
+	tplEmails base.TplName = "admin/emails/list"
+)
+
+// Emails show all emails
+func Emails(ctx *context.Context) {
+	ctx.Data["Title"] = ctx.Tr("admin.emails")
+	ctx.Data["PageIsAdmin"] = true
+	ctx.Data["PageIsAdminEmails"] = true
+
+	opts := &models.SearchEmailOptions{
+		PageSize: setting.UI.Admin.UserPagingNum,
+		Page:     ctx.QueryInt("page"),
+	}
+
+	if opts.Page <= 1 {
+		opts.Page = 1
+	}
+
+	type ActiveEmail struct {
+		models.SearchEmailResult
+		CanChange bool
+	}
+
+	var (
+		baseEmails []*models.SearchEmailResult
+		emails     []ActiveEmail
+		count      int64
+		err        error
+		orderBy    models.SearchEmailOrderBy
+	)
+
+	ctx.Data["SortType"] = ctx.Query("sort")
+	switch ctx.Query("sort") {
+	case "email":
+		orderBy = models.SearchEmailOrderByEmail
+	case "reverseemail":
+		orderBy = models.SearchEmailOrderByEmailReverse
+	case "username":
+		orderBy = models.SearchEmailOrderByName
+	case "reverseusername":
+		orderBy = models.SearchEmailOrderByNameReverse
+	default:
+		ctx.Data["SortType"] = "email"
+		orderBy = models.SearchEmailOrderByEmail
+	}
+
+	opts.Keyword = ctx.QueryTrim("q")
+	opts.SortType = orderBy
+	if len(ctx.Query("is_activated")) != 0 {
+		opts.IsActivated = util.OptionalBoolOf(ctx.QueryBool("activated"))
+	}
+	if len(ctx.Query("is_primary")) != 0 {
+		opts.IsPrimary = util.OptionalBoolOf(ctx.QueryBool("primary"))
+	}
+
+	if len(opts.Keyword) == 0 || isKeywordValid(opts.Keyword) {
+		baseEmails, count, err = models.SearchEmails(opts)
+		if err != nil {
+			ctx.ServerError("SearchEmails", err)
+			return
+		}
+		emails = make([]ActiveEmail, len(baseEmails))
+		for i := range baseEmails {
+			emails[i].SearchEmailResult = *baseEmails[i]
+			// Don't let the admin deactivate its own primary email address
+			// We already know the user is admin
+			emails[i].CanChange = ctx.User.ID != emails[i].UID || !emails[i].IsPrimary
+		}
+	}
+	ctx.Data["Keyword"] = opts.Keyword
+	ctx.Data["Total"] = count
+	ctx.Data["Emails"] = emails
+
+	pager := context.NewPagination(int(count), opts.PageSize, opts.Page, 5)
+	pager.SetDefaultParams(ctx)
+	ctx.Data["Page"] = pager
+
+	ctx.HTML(200, tplEmails)
+}
+
+var (
+	nullByte = []byte{0x00}
+)
+
+func isKeywordValid(keyword string) bool {
+	return !bytes.Contains([]byte(keyword), nullByte)
+}
+
+// ActivateEmail serves a POST request for activating/deactivating a user's email
+func ActivateEmail(ctx *context.Context) {
+
+	truefalse := map[string]bool{"1": true, "0": false}
+
+	uid := com.StrTo(ctx.Query("uid")).MustInt64()
+	email := ctx.Query("email")
+	primary, okp := truefalse[ctx.Query("primary")]
+	activate, oka := truefalse[ctx.Query("activate")]
+
+	if uid == 0 || len(email) == 0 || !okp || !oka {
+		ctx.Error(400)
+		return
+	}
+
+	log.Info("Changing activation for User ID: %d, email: %s, primary: %v to %v", uid, email, primary, activate)
+
+	if err := models.ActivateUserEmail(uid, email, primary, activate); err != nil {
+		log.Error("ActivateUserEmail(%v,%v,%v,%v): %v", uid, email, primary, activate, err)
+		if models.IsErrEmailAlreadyUsed(err) {
+			ctx.Flash.Error(ctx.Tr("admin.emails.duplicate_active"))
+		} else {
+			ctx.Flash.Error(ctx.Tr("admin.emails.not_updated", err))
+		}
+	} else {
+		log.Info("Activation for User ID: %d, email: %s, primary: %v changed to %v", uid, email, primary, activate)
+		ctx.Flash.Info(ctx.Tr("admin.emails.updated"))
+	}
+
+	redirect, _ := url.Parse(setting.AppSubURL + "/admin/emails")
+	q := url.Values{}
+	if val := ctx.QueryTrim("q"); len(val) > 0 {
+		q.Set("q", val)
+	}
+	if val := ctx.QueryTrim("sort"); len(val) > 0 {
+		q.Set("sort", val)
+	}
+	if val := ctx.QueryTrim("is_primary"); len(val) > 0 {
+		q.Set("is_primary", val)
+	}
+	if val := ctx.QueryTrim("is_activated"); len(val) > 0 {
+		q.Set("is_activated", val)
+	}
+	redirect.RawQuery = q.Encode()
+	ctx.Redirect(redirect.String())
+}
diff --git a/routers/routes/routes.go b/routers/routes/routes.go
index 454c2495ca6..424c3f65f2c 100644
--- a/routers/routes/routes.go
+++ b/routers/routes/routes.go
@@ -429,6 +429,11 @@ func RegisterRoutes(m *macaron.Macaron) {
 			m.Post("/:userid/delete", admin.DeleteUser)
 		})
 
+		m.Group("/emails", func() {
+			m.Get("", admin.Emails)
+			m.Post("/activate", admin.ActivateEmail)
+		})
+
 		m.Group("/orgs", func() {
 			m.Get("", admin.Organizations)
 		})
diff --git a/routers/user/auth.go b/routers/user/auth.go
index 3a3e3a1a547..6d762a058cd 100644
--- a/routers/user/auth.go
+++ b/routers/user/auth.go
@@ -1217,8 +1217,18 @@ func ActivateEmail(ctx *context.Context) {
 
 		log.Trace("Email activated: %s", email.Email)
 		ctx.Flash.Success(ctx.Tr("settings.add_email_success"))
+
+		if u, err := models.GetUserByID(email.UID); err != nil {
+			log.Warn("GetUserByID: %d", email.UID)
+		} else {
+			// Allow user to validate more emails
+			_ = ctx.Cache.Delete("MailResendLimit_" + u.LowerName)
+		}
 	}
 
+	// FIXME: e-mail verification does not require the user to be logged in,
+	// so this could be redirecting to the login page.
+	// Should users be logged in automatically here? (consider 2FA requirements, etc.)
 	ctx.Redirect(setting.AppSubURL + "/user/settings/account")
 }
 
diff --git a/routers/user/setting/account.go b/routers/user/setting/account.go
index a9064b0e157..3c0c64ca277 100644
--- a/routers/user/setting/account.go
+++ b/routers/user/setting/account.go
@@ -88,6 +88,51 @@ func EmailPost(ctx *context.Context, form auth.AddEmailForm) {
 		ctx.Redirect(setting.AppSubURL + "/user/settings/account")
 		return
 	}
+	// Send activation Email
+	if ctx.Query("_method") == "SENDACTIVATION" {
+		var address string
+		if ctx.Cache.IsExist("MailResendLimit_" + ctx.User.LowerName) {
+			log.Error("Send activation: activation still pending")
+			ctx.Redirect(setting.AppSubURL + "/user/settings/account")
+			return
+		}
+		if ctx.Query("id") == "PRIMARY" {
+			if ctx.User.IsActive {
+				log.Error("Send activation: email not set for activation")
+				ctx.Redirect(setting.AppSubURL + "/user/settings/account")
+				return
+			}
+			mailer.SendActivateAccountMail(ctx.Locale, ctx.User)
+			address = ctx.User.Email
+		} else {
+			id := ctx.QueryInt64("id")
+			email, err := models.GetEmailAddressByID(ctx.User.ID, id)
+			if err != nil {
+				log.Error("GetEmailAddressByID(%d,%d) error: %v", ctx.User.ID, id, err)
+				ctx.Redirect(setting.AppSubURL + "/user/settings/account")
+				return
+			}
+			if email == nil {
+				log.Error("Send activation: EmailAddress not found; user:%d, id: %d", ctx.User.ID, id)
+				ctx.Redirect(setting.AppSubURL + "/user/settings/account")
+				return
+			}
+			if email.IsActivated {
+				log.Error("Send activation: email not set for activation")
+				ctx.Redirect(setting.AppSubURL + "/user/settings/account")
+				return
+			}
+			mailer.SendActivateEmailMail(ctx.Locale, ctx.User, email)
+			address = email.Email
+		}
+
+		if err := ctx.Cache.Put("MailResendLimit_"+ctx.User.LowerName, ctx.User.LowerName, 180); err != nil {
+			log.Error("Set cache(MailResendLimit) fail: %v", err)
+		}
+		ctx.Flash.Info(ctx.Tr("settings.add_email_confirmation_sent", address, timeutil.MinutesToFriendly(setting.Service.ActiveCodeLives, ctx.Locale.Language())))
+		ctx.Redirect(setting.AppSubURL + "/user/settings/account")
+		return
+	}
 	// Set Email Notification Preference
 	if ctx.Query("_method") == "NOTIFICATION" {
 		preference := ctx.Query("preference")
@@ -134,7 +179,6 @@ func EmailPost(ctx *context.Context, form auth.AddEmailForm) {
 	// Send confirmation email
 	if setting.Service.RegisterEmailConfirm {
 		mailer.SendActivateEmailMail(ctx.Locale, ctx.User, email)
-
 		if err := ctx.Cache.Put("MailResendLimit_"+ctx.User.LowerName, ctx.User.LowerName, 180); err != nil {
 			log.Error("Set cache(MailResendLimit) fail: %v", err)
 		}
@@ -223,11 +267,25 @@ func UpdateUIThemePost(ctx *context.Context, form auth.UpdateThemeForm) {
 }
 
 func loadAccountData(ctx *context.Context) {
-	emails, err := models.GetEmailAddresses(ctx.User.ID)
+	emlist, err := models.GetEmailAddresses(ctx.User.ID)
 	if err != nil {
 		ctx.ServerError("GetEmailAddresses", err)
 		return
 	}
+	type UserEmail struct {
+		models.EmailAddress
+		CanBePrimary bool
+	}
+	pendingActivation := ctx.Cache.IsExist("MailResendLimit_" + ctx.User.LowerName)
+	emails := make([]*UserEmail, len(emlist))
+	for i, em := range emlist {
+		var email UserEmail
+		email.EmailAddress = *em
+		email.CanBePrimary = em.IsActivated
+		emails[i] = &email
+	}
 	ctx.Data["Emails"] = emails
 	ctx.Data["EmailNotificationsPreference"] = ctx.User.EmailNotifications()
+	ctx.Data["ActivationsPending"] = pendingActivation
+	ctx.Data["CanAddEmails"] = !pendingActivation || !setting.Service.RegisterEmailConfirm
 }
diff --git a/templates/admin/emails/list.tmpl b/templates/admin/emails/list.tmpl
new file mode 100644
index 00000000000..e9bef3c3b8c
--- /dev/null
+++ b/templates/admin/emails/list.tmpl
@@ -0,0 +1,101 @@
+{{template "base/head" .}}
+<div class="admin user">
+	{{template "admin/navbar" .}}
+	<div class="ui container">
+		{{template "base/alert" .}}
+		<h4 class="ui top attached header">
+			{{.i18n.Tr "admin.emails.email_manage_panel"}} ({{.i18n.Tr "admin.total" .Total}})
+		</h4>
+		<div class="ui attached segment">
+			<div class="ui right floated secondary filter menu">
+			<!-- Sort -->
+				<div class="ui dropdown type jump item">
+					<span class="text">
+						{{.i18n.Tr "repo.issues.filter_sort"}}
+						<i class="dropdown icon"></i>
+					</span>
+					<div class="menu">
+						<a class="{{if or (eq .SortType "email") (not .SortType)}}active{{end}} item" href="{{$.Link}}?sort=email&q={{$.Keyword}}">{{.i18n.Tr "admin.emails.filter_sort.email"}}</a>
+						<a class="{{if eq .SortType "reverseemail"}}active{{end}} item" href="{{$.Link}}?sort=reverseemail&q={{$.Keyword}}">{{.i18n.Tr "admin.emails.filter_sort.email_reverse"}}</a>
+						<a class="{{if eq .SortType "username"}}active{{end}} item" href="{{$.Link}}?sort=username&q={{$.Keyword}}">{{.i18n.Tr "admin.emails.filter_sort.name"}}</a>
+						<a class="{{if eq .SortType "reverseusername"}}active{{end}} item" href="{{$.Link}}?sort=reverseusername&q={{$.Keyword}}">{{.i18n.Tr "admin.emails.filter_sort.name_reverse"}}</a>
+					</div>
+				</div>
+			</div>
+			<form class="ui form ignore-dirty"  style="max-width: 90%">
+				<div class="ui fluid action input">
+				<input name="q" value="{{.Keyword}}" placeholder="{{.i18n.Tr "explore.search"}}..." autofocus>
+				<button class="ui blue button">{{.i18n.Tr "explore.search"}}</button>
+				</div>
+			</form>
+		</div>
+		<div class="ui attached table segment">
+			<table class="ui very basic striped table">
+				<thead>
+					<tr>
+						<th>{{.i18n.Tr "admin.users.name"}}</th>
+						<th>{{.i18n.Tr "admin.users.full_name"}}</th>
+						<th>{{.i18n.Tr "email"}}</th>
+						<th>{{.i18n.Tr "admin.emails.primary"}}</th>
+						<th>{{.i18n.Tr "admin.emails.activated"}}</th>
+					</tr>
+				</thead>
+				<tbody>
+					{{range .Emails}}
+						<tr>
+							<td><a href="{{AppSubUrl}}/{{.Name}}">{{.Name}}</a></td>
+							<td><span class="text truncate">{{.FullName}}</span></td>
+							<td><span class="text email">{{.Email}}</span></td>
+							<td><i class="fa fa{{if .IsPrimary}}-check{{end}}-square-o"></i></td>
+							<td>
+								{{if .CanChange}}
+									<a class="link-email-action" href data-uid="{{.UID}}"
+										data-email="{{.Email}}"
+										data-primary="{{if .IsPrimary}}1{{else}}0{{end}}"
+										data-activate="{{if .IsActivated}}0{{else}}1{{end}}">
+										<i class="fa fa{{if .IsActivated}}-check{{end}}-square-o"></i>
+									</a>
+								{{else}}
+									<i class="fa fa{{if .IsActivated}}-check{{end}}-square-o"></i>
+								{{end}}
+							</td>
+						</tr>
+					{{end}}
+				</tbody>
+			</table>
+		</div>
+
+		{{template "base/paginate" .}}
+
+		<div class="ui basic modal" id="change-email-modal">
+			<div class="ui icon header">
+				{{.i18n.Tr "admin.emails.change_email_header"}}
+			</div>
+			<div class="content center">
+				<p>{{.i18n.Tr "admin.emails.change_email_text"}}</p>
+
+				<form class="ui form" id="email-action-form" action="{{AppSubUrl}}/admin/emails/activate" method="post">
+					{{$.CsrfTokenHtml}}
+
+					<input type="hidden" id="query-sort" name="sort" value="{{.SortType}}">
+					<input type="hidden" id="query-keyword" name="q" value="{{.Keyword}}">
+					<input type="hidden" id="query-primary" name="is_primary" value="{{.IsPrimary}}" required>
+					<input type="hidden" id="query-activated" name="is_activated" value="{{.IsActivated}}" required>
+
+					<input type="hidden" id="form-uid" name="uid" value="" required>
+					<input type="hidden" id="form-email" name="email" value="" required>
+					<input type="hidden" id="form-primary" name="primary" value="" required>
+					<input type="hidden" id="form-activate" name="activate" value="" required>
+
+					<div class="center actions">
+						<div class="ui basic cancel inverted button">{{$.i18n.Tr "settings.cancel"}}</div>
+						<button class="ui basic inverted yellow button">{{$.i18n.Tr "modal.yes"}}</button>
+					</div>
+
+				</form>
+			</div>
+		</div>
+
+	</div>
+</div>
+{{template "base/footer" .}}
diff --git a/templates/admin/nav.tmpl b/templates/admin/nav.tmpl
index d95a0d7ecfb..0917d1ebe35 100644
--- a/templates/admin/nav.tmpl
+++ b/templates/admin/nav.tmpl
@@ -8,6 +8,7 @@
 			<li {{if .PageIsAdminRepositories}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/repos">{{.i18n.Tr "admin.repositories"}}</a></li>
 			<li {{if .PageIsAdminHooks}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/hooks">{{.i18n.Tr "admin.hooks"}}</a></li>
 			<li {{if .PageIsAdminAuthentications}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/auths">{{.i18n.Tr "admin.authentication"}}</a></li>
+			<li {{if .PageIsAdminEmails}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/emails">{{.i18n.Tr "admin.emails"}}</a></li>
 			<li {{if .PageIsAdminConfig}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/config">{{.i18n.Tr "admin.config"}}</a></li>
 			<li {{if .PageIsAdminNotices}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/notices">{{.i18n.Tr "admin.notices"}}</a></li>
 			<li {{if .PageIsAdminMonitor}}class="current"{{end}}><a href="{{AppSubUrl}}/admin/monitor">{{.i18n.Tr "admin.monitor"}}</a></li>
diff --git a/templates/admin/navbar.tmpl b/templates/admin/navbar.tmpl
index caa8c1f3237..546df22e128 100644
--- a/templates/admin/navbar.tmpl
+++ b/templates/admin/navbar.tmpl
@@ -17,6 +17,9 @@
 	<a class="{{if .PageIsAdminAuthentications}}active{{end}} item" href="{{AppSubUrl}}/admin/auths">
 		{{.i18n.Tr "admin.authentication"}}
 	</a>
+	<a class="{{if .PageIsAdminEmails}}active{{end}} item" href="{{AppSubUrl}}/admin/emails">
+		{{.i18n.Tr "admin.emails"}}
+	</a>
 	<a class="{{if .PageIsAdminConfig}}active{{end}} item" href="{{AppSubUrl}}/admin/config">
 		{{.i18n.Tr "admin.config"}}
 	</a>
diff --git a/templates/user/settings/account.tmpl b/templates/user/settings/account.tmpl
index dcb5770acc5..f5cf7f79cd2 100644
--- a/templates/user/settings/account.tmpl
+++ b/templates/user/settings/account.tmpl
@@ -76,7 +76,7 @@
 									{{$.i18n.Tr "settings.delete_email"}}
 								</button>
 							</div>
-							{{if .IsActivated}}
+							{{if .CanBePrimary}}
 								<div class="right floated content">
 									<form action="{{AppSubUrl}}/user/settings/account/email" method="post">
 										{{$.CsrfTokenHtml}}
@@ -87,9 +87,30 @@
 								</div>
 							{{end}}
 						{{end}}
+						{{if not .IsActivated}}
+							<div class="right floated content">
+								<form action="{{AppSubUrl}}/user/settings/account/email" method="post">
+									{{$.CsrfTokenHtml}}
+									<input name="_method" type="hidden" value="SENDACTIVATION">
+									<input name="id" type="hidden" value="{{if .IsPrimary}}PRIMARY{{else}}}.ID{{end}}">
+									{{if $.ActivationsPending}}
+										<button disabled class="ui blue tiny button">{{$.i18n.Tr "settings.activations_pending"}}</button>
+									{{else}}
+										<button class="ui blue tiny button">{{$.i18n.Tr "settings.activate_email"}}</button>
+									{{end}}
+								</form>
+							</div>
+						{{end}}
 						<div class="content">
 							<strong>{{.Email}}</strong>
-							{{if .IsPrimary}}<span class="text red">{{$.i18n.Tr "settings.primary"}}</span>{{end}}
+							{{if .IsPrimary}}
+								<div class="ui blue label">{{$.i18n.Tr "settings.primary"}}</div>
+							{{end}}
+							{{if .IsActivated}}
+								<div class="ui green label">{{$.i18n.Tr "settings.activated"}}</div>
+							{{else}}
+								<div class="ui label">{{$.i18n.Tr "settings.requires_activation"}}</div>
+							{{end}}
 						</div>
 					</div>
 				{{end}}
@@ -100,9 +121,9 @@
 				{{.CsrfTokenHtml}}
 				<div class="required field {{if .Err_Email}}error{{end}}">
 					<label for="email">{{.i18n.Tr "settings.add_new_email"}}</label>
-					<input id="email" name="email" type="email" required>
+					<input id="email" name="email" type="email" required {{if not .CanAddEmails}}disabled{{end}}>
 				</div>
-				<button class="ui green button">
+				<button class="ui green button" {{if not .CanAddEmails}}disabled{{end}}>
 					{{.i18n.Tr "settings.add_email"}}
 				</button>
 			</form>
diff --git a/web_src/js/index.js b/web_src/js/index.js
index 2b952996926..062a3f7efee 100644
--- a/web_src/js/index.js
+++ b/web_src/js/index.js
@@ -2480,6 +2480,7 @@ $(document).ready(() => {
   $('.delete-button').click(showDeletePopup);
   $('.add-all-button').click(showAddAllPopup);
   $('.link-action').click(linkAction);
+  $('.link-email-action').click(linkEmailAction);
 
   $('.delete-branch-button').click(showDeletePopup);
 
@@ -2750,6 +2751,17 @@ function linkAction() {
   });
 }
 
+function linkEmailAction(e) {
+  const $this = $(this);
+  $('#form-uid').val($this.data('uid'));
+  $('#form-email').val($this.data('email'));
+  $('#form-primary').val($this.data('primary'));
+  $('#form-activate').val($this.data('activate'));
+  $('#form-uid').val($this.data('uid'));
+  $('#change-email-modal').modal('show');
+  e.preventDefault();
+}
+
 function initVueComponents() {
   const vueDelimeters = ['${', '}'];