diff --git a/src/wp-admin/includes/ms.php b/src/wp-admin/includes/ms.php
index c58189e371..4a71f33087 100644
--- a/src/wp-admin/includes/ms.php
+++ b/src/wp-admin/includes/ms.php
@@ -253,10 +253,11 @@ function update_option_new_admin_email( $old_value, $value ) {
 	);
 	update_option( 'adminhash', $new_admin_email );
 
-	$email_text = __( 'Dear user,
+	$email_text = __( 'Howdy ###USERNAME###,
 
 You recently requested to have the administration email address on
 your site changed.
+
 If this is correct, please click on the following link to change it:
 ###ADMIN_URL###
 
@@ -273,6 +274,7 @@ All at ###SITENAME###
 	 * Filter the email text sent when the site admin email is changed.
 	 *
 	 * The following strings have a special meaning and will get replaced dynamically:
+	 * ###USERNAME###  The current user's username.
 	 * ###ADMIN_URL### The link to click on to confirm the email change. Required otherwise this functunalty is will break.
 	 * ###EMAIL###     The new email.
 	 * ###SITENAME###  The name of the site.
@@ -285,6 +287,7 @@ All at ###SITENAME###
 	 */
 	$content = apply_filters( 'new_admin_email_content', $email_text, $new_admin_email );
 
+	$content = str_replace( '###USERNAME###', $current_user->user_login, $content );
 	$content = str_replace( '###ADMIN_URL###', esc_url( admin_url( 'options.php?adminhash='.$hash ) ), $content );
 	$content = str_replace( '###EMAIL###', $value, $content );
 	$content = str_replace( '###SITENAME###', get_site_option( 'site_name' ), $content );
@@ -331,9 +334,10 @@ function send_confirmation_on_profile_email() {
 				);
 		update_option( $current_user->ID . '_new_email', $new_user_email );
 
-		$email_text = __( 'Dear user,
+		$email_text = __( 'Howdy ###USERNAME###,
 
 You recently requested to have the email address on your account changed.
+
 If this is correct, please click on the following link to change it:
 ###ADMIN_URL###
 
@@ -350,6 +354,7 @@ All at ###SITENAME###
 		 * Filter the email text sent when a user changes emails.
 		 *
 		 * The following strings have a special meaning and will get replaced dynamically:
+		 * ###USERNAME###  The current user's username.
 		 * ###ADMIN_URL### The link to click on to confirm the email change. Required otherwise this functunalty is will break.
 		 * ###EMAIL### The new email.
 		 * ###SITENAME### The name of the site.
@@ -362,6 +367,7 @@ All at ###SITENAME###
 		 */
 		$content = apply_filters( 'new_user_email_content', $email_text, $new_user_email );
 
+		$content = str_replace( '###USERNAME###', $current_user->user_login, $content );
 		$content = str_replace( '###ADMIN_URL###', esc_url( admin_url( 'profile.php?newuseremail='.$hash ) ), $content );
 		$content = str_replace( '###EMAIL###', $_POST['email'], $content);
 		$content = str_replace( '###SITENAME###', get_site_option( 'site_name' ), $content );
diff --git a/src/wp-admin/includes/schema.php b/src/wp-admin/includes/schema.php
index 020854b452..c522ab5665 100644
--- a/src/wp-admin/includes/schema.php
+++ b/src/wp-admin/includes/schema.php
@@ -917,7 +917,7 @@ function populate_network( $network_id = 1, $domain = '', $email = '', $site_nam
 		$site_admins = get_site_option( 'site_admins' );
 	}
 
-	$welcome_email = __( 'Dear User,
+	$welcome_email = __( 'Howdy USERNAME,
 
 Your new SITE_NAME site has been successfully set up at:
 BLOG_URL
diff --git a/src/wp-admin/ms-delete-site.php b/src/wp-admin/ms-delete-site.php
index 00143089e2..dfaca6c148 100644
--- a/src/wp-admin/ms-delete-site.php
+++ b/src/wp-admin/ms-delete-site.php
@@ -26,6 +26,7 @@ if ( isset( $_GET['h'] ) && $_GET['h'] != '' && get_option( 'delete_blog_hash' )
 }
 
 $blog = get_blog_details();
+$user = wp_get_current_user();
 
 $title = __( 'Delete Site' );
 $parent_file = 'tools.php';
@@ -42,9 +43,11 @@ if ( isset( $_POST['action'] ) && $_POST['action'] == 'deleteblog' && isset( $_P
 
 	$url_delete = esc_url( admin_url( 'ms-delete-site.php?h=' . $hash ) );
 
-	$content = __( "Dear User,
+	$content = __( "Howdy ###USERNAME###,
+
 You recently clicked the 'Delete Site' link on your site and filled in a
 form on that page.
+
 If you really want to delete your site, click the link below. You will not
 be asked to confirm again so only click this link if you are absolutely certain:
 ###URL_DELETE###
@@ -65,6 +68,7 @@ Webmaster
 	 */
 	$content = apply_filters( 'delete_site_email_content', $content );
 
+	$content = str_replace( '###USERNAME###', $user->user_login, $content );
 	$content = str_replace( '###URL_DELETE###', $url_delete, $content );
 	$content = str_replace( '###SITE_NAME###', $current_site->site_name, $content );
 
diff --git a/src/wp-includes/ms-functions.php b/src/wp-includes/ms-functions.php
index d17daaf397..0e38638c9a 100644
--- a/src/wp-includes/ms-functions.php
+++ b/src/wp-includes/ms-functions.php
@@ -1434,7 +1434,7 @@ function wpmu_welcome_notification( $blog_id, $user_id, $password, $title, $meta
 
 	$welcome_email = get_site_option( 'welcome_email' );
 	if ( $welcome_email == false )
-		$welcome_email = __( 'Dear User,
+		$welcome_email = __( 'Howdy USERNAME,
 
 Your new SITE_NAME site has been successfully set up at:
 BLOG_URL
@@ -2080,7 +2080,7 @@ function users_can_register_signup_filter() {
 function welcome_user_msg_filter( $text ) {
 	if ( !$text ) {
 		remove_filter( 'site_option_welcome_user_email', 'welcome_user_msg_filter' );
-		$text = __( 'Dear User,
+		$text = __( 'Howdy USERNAME,
 
 Your new account is set up.