diff --git a/view/lang/C/messages.po b/view/lang/C/messages.po
index 371f27d26d..34ff7e92ca 100644
--- a/view/lang/C/messages.po
+++ b/view/lang/C/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: 2021.09-rc\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-08-30 19:48+0000\n"
+"POT-Creation-Date: 2021-08-30 21:15+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -6126,173 +6126,178 @@ msgid ""
 "\"Global Community\")"
 msgstr ""
 
-#: src/Module/Admin/Site.php:563
+#: src/Module/Admin/Site.php:564
 msgid "Enable Mail support"
 msgstr ""
 
-#: src/Module/Admin/Site.php:563
+#: src/Module/Admin/Site.php:564
 msgid ""
 "Enable built-in mail support to poll IMAP folders and to reply via mail."
 msgstr ""
 
-#: src/Module/Admin/Site.php:564
+#: src/Module/Admin/Site.php:565
+msgid ""
+"Mail support can't be enabled because the PHP IMAP module is not installed."
+msgstr ""
+
+#: src/Module/Admin/Site.php:566
 msgid "Enable OStatus support"
 msgstr ""
 
-#: src/Module/Admin/Site.php:564
+#: src/Module/Admin/Site.php:566
 msgid ""
 "Enable built-in OStatus (StatusNet, GNU Social etc.) compatibility. All "
 "communications in OStatus are public."
 msgstr ""
 
-#: src/Module/Admin/Site.php:566
+#: src/Module/Admin/Site.php:568
 msgid ""
 "Diaspora support can't be enabled because Friendica was installed into a sub "
 "directory."
 msgstr ""
 
-#: src/Module/Admin/Site.php:567
+#: src/Module/Admin/Site.php:569
 msgid "Enable Diaspora support"
 msgstr ""
 
-#: src/Module/Admin/Site.php:567
+#: src/Module/Admin/Site.php:569
 msgid ""
 "Enable built-in Diaspora network compatibility for communicating with "
 "diaspora servers."
 msgstr ""
 
-#: src/Module/Admin/Site.php:568
+#: src/Module/Admin/Site.php:570
 msgid "Verify SSL"
 msgstr ""
 
-#: src/Module/Admin/Site.php:568
+#: src/Module/Admin/Site.php:570
 msgid ""
 "If you wish, you can turn on strict certificate checking. This will mean you "
 "cannot connect (at all) to self-signed SSL sites."
 msgstr ""
 
-#: src/Module/Admin/Site.php:569
+#: src/Module/Admin/Site.php:571
 msgid "Proxy user"
 msgstr ""
 
-#: src/Module/Admin/Site.php:570
+#: src/Module/Admin/Site.php:572
 msgid "Proxy URL"
 msgstr ""
 
-#: src/Module/Admin/Site.php:571
+#: src/Module/Admin/Site.php:573
 msgid "Network timeout"
 msgstr ""
 
-#: src/Module/Admin/Site.php:571
+#: src/Module/Admin/Site.php:573
 msgid "Value is in seconds. Set to 0 for unlimited (not recommended)."
 msgstr ""
 
-#: src/Module/Admin/Site.php:572
+#: src/Module/Admin/Site.php:574
 msgid "Maximum Load Average"
 msgstr ""
 
-#: src/Module/Admin/Site.php:572
+#: src/Module/Admin/Site.php:574
 #, php-format
 msgid ""
 "Maximum system load before delivery and poll processes are deferred - "
 "default %d."
 msgstr ""
 
-#: src/Module/Admin/Site.php:573
+#: src/Module/Admin/Site.php:575
 msgid "Maximum Load Average (Frontend)"
 msgstr ""
 
-#: src/Module/Admin/Site.php:573
+#: src/Module/Admin/Site.php:575
 msgid "Maximum system load before the frontend quits service - default 50."
 msgstr ""
 
-#: src/Module/Admin/Site.php:574
+#: src/Module/Admin/Site.php:576
 msgid "Minimal Memory"
 msgstr ""
 
-#: src/Module/Admin/Site.php:574
+#: src/Module/Admin/Site.php:576
 msgid ""
 "Minimal free memory in MB for the worker. Needs access to /proc/meminfo - "
 "default 0 (deactivated)."
 msgstr ""
 
-#: src/Module/Admin/Site.php:575
+#: src/Module/Admin/Site.php:577
 msgid "Periodically optimize tables"
 msgstr ""
 
-#: src/Module/Admin/Site.php:575
+#: src/Module/Admin/Site.php:577
 msgid "Periodically optimize tables like the cache and the workerqueue"
 msgstr ""
 
-#: src/Module/Admin/Site.php:577
+#: src/Module/Admin/Site.php:579
 msgid "Discover followers/followings from contacts"
 msgstr ""
 
-#: src/Module/Admin/Site.php:577
+#: src/Module/Admin/Site.php:579
 msgid ""
 "If enabled, contacts are checked for their followers and following contacts."
 msgstr ""
 
-#: src/Module/Admin/Site.php:578
+#: src/Module/Admin/Site.php:580
 msgid "None - deactivated"
 msgstr ""
 
-#: src/Module/Admin/Site.php:579
+#: src/Module/Admin/Site.php:581
 msgid ""
 "Local contacts - contacts of our local contacts are discovered for their "
 "followers/followings."
 msgstr ""
 
-#: src/Module/Admin/Site.php:580
+#: src/Module/Admin/Site.php:582
 msgid ""
 "Interactors - contacts of our local contacts and contacts who interacted on "
 "locally visible postings are discovered for their followers/followings."
 msgstr ""
 
-#: src/Module/Admin/Site.php:582
+#: src/Module/Admin/Site.php:584
 msgid "Synchronize the contacts with the directory server"
 msgstr ""
 
-#: src/Module/Admin/Site.php:582
+#: src/Module/Admin/Site.php:584
 msgid ""
 "if enabled, the system will check periodically for new contacts on the "
 "defined directory server."
 msgstr ""
 
-#: src/Module/Admin/Site.php:584
+#: src/Module/Admin/Site.php:586
 msgid "Days between requery"
 msgstr ""
 
-#: src/Module/Admin/Site.php:584
+#: src/Module/Admin/Site.php:586
 msgid "Number of days after which a server is requeried for his contacts."
 msgstr ""
 
-#: src/Module/Admin/Site.php:585
+#: src/Module/Admin/Site.php:587
 msgid "Discover contacts from other servers"
 msgstr ""
 
-#: src/Module/Admin/Site.php:585
+#: src/Module/Admin/Site.php:587
 msgid ""
 "Periodically query other servers for contacts. The system queries Friendica, "
 "Mastodon and Hubzilla servers."
 msgstr ""
 
-#: src/Module/Admin/Site.php:586
+#: src/Module/Admin/Site.php:588
 msgid "Search the local directory"
 msgstr ""
 
-#: src/Module/Admin/Site.php:586
+#: src/Module/Admin/Site.php:588
 msgid ""
 "Search the local directory instead of the global directory. When searching "
 "locally, every search will be executed on the global directory in the "
 "background. This improves the search results when the search is repeated."
 msgstr ""
 
-#: src/Module/Admin/Site.php:588
+#: src/Module/Admin/Site.php:590
 msgid "Publish server information"
 msgstr ""
 
-#: src/Module/Admin/Site.php:588
+#: src/Module/Admin/Site.php:590
 msgid ""
 "If enabled, general server and usage data will be published. The data "
 "contains the name and version of the server, number of users with public "
@@ -6300,50 +6305,50 @@ msgid ""
 "href=\"http://the-federation.info/\">the-federation.info</a> for details."
 msgstr ""
 
-#: src/Module/Admin/Site.php:590
+#: src/Module/Admin/Site.php:592
 msgid "Check upstream version"
 msgstr ""
 
-#: src/Module/Admin/Site.php:590
+#: src/Module/Admin/Site.php:592
 msgid ""
 "Enables checking for new Friendica versions at github. If there is a new "
 "version, you will be informed in the admin panel overview."
 msgstr ""
 
-#: src/Module/Admin/Site.php:591
+#: src/Module/Admin/Site.php:593
 msgid "Suppress Tags"
 msgstr ""
 
-#: src/Module/Admin/Site.php:591
+#: src/Module/Admin/Site.php:593
 msgid "Suppress showing a list of hashtags at the end of the posting."
 msgstr ""
 
-#: src/Module/Admin/Site.php:592
+#: src/Module/Admin/Site.php:594
 msgid "Clean database"
 msgstr ""
 
-#: src/Module/Admin/Site.php:592
+#: src/Module/Admin/Site.php:594
 msgid ""
 "Remove old remote items, orphaned database records and old content from some "
 "other helper tables."
 msgstr ""
 
-#: src/Module/Admin/Site.php:593
+#: src/Module/Admin/Site.php:595
 msgid "Lifespan of remote items"
 msgstr ""
 
-#: src/Module/Admin/Site.php:593
+#: src/Module/Admin/Site.php:595
 msgid ""
 "When the database cleanup is enabled, this defines the days after which "
 "remote items will be deleted. Own items, and marked or filed items are "
 "always kept. 0 disables this behaviour."
 msgstr ""
 
-#: src/Module/Admin/Site.php:594
+#: src/Module/Admin/Site.php:596
 msgid "Lifespan of unclaimed items"
 msgstr ""
 
-#: src/Module/Admin/Site.php:594
+#: src/Module/Admin/Site.php:596
 msgid ""
 "When the database cleanup is enabled, this defines the days after which "
 "unclaimed remote items (mostly content from the relay) will be deleted. "
@@ -6351,156 +6356,156 @@ msgid ""
 "items if set to 0."
 msgstr ""
 
-#: src/Module/Admin/Site.php:595
+#: src/Module/Admin/Site.php:597
 msgid "Lifespan of raw conversation data"
 msgstr ""
 
-#: src/Module/Admin/Site.php:595
+#: src/Module/Admin/Site.php:597
 msgid ""
 "The conversation data is used for ActivityPub and OStatus, as well as for "
 "debug purposes. It should be safe to remove it after 14 days, default is 90 "
 "days."
 msgstr ""
 
-#: src/Module/Admin/Site.php:596
+#: src/Module/Admin/Site.php:598
 msgid "Maximum numbers of comments per post"
 msgstr ""
 
-#: src/Module/Admin/Site.php:596
+#: src/Module/Admin/Site.php:598
 msgid "How much comments should be shown for each post? Default value is 100."
 msgstr ""
 
-#: src/Module/Admin/Site.php:597
+#: src/Module/Admin/Site.php:599
 msgid "Maximum numbers of comments per post on the display page"
 msgstr ""
 
-#: src/Module/Admin/Site.php:597
+#: src/Module/Admin/Site.php:599
 msgid ""
 "How many comments should be shown on the single view for each post? Default "
 "value is 1000."
 msgstr ""
 
-#: src/Module/Admin/Site.php:598
+#: src/Module/Admin/Site.php:600
 msgid "Temp path"
 msgstr ""
 
-#: src/Module/Admin/Site.php:598
+#: src/Module/Admin/Site.php:600
 msgid ""
 "If you have a restricted system where the webserver can't access the system "
 "temp path, enter another path here."
 msgstr ""
 
-#: src/Module/Admin/Site.php:599
+#: src/Module/Admin/Site.php:601
 msgid "Only search in tags"
 msgstr ""
 
-#: src/Module/Admin/Site.php:599
+#: src/Module/Admin/Site.php:601
 msgid "On large systems the text search can slow down the system extremely."
 msgstr ""
 
-#: src/Module/Admin/Site.php:601
+#: src/Module/Admin/Site.php:603
 msgid "New base url"
 msgstr ""
 
-#: src/Module/Admin/Site.php:601
+#: src/Module/Admin/Site.php:603
 msgid ""
 "Change base url for this server. Sends relocate message to all Friendica and "
 "Diaspora* contacts of all users."
 msgstr ""
 
-#: src/Module/Admin/Site.php:603
+#: src/Module/Admin/Site.php:605
 msgid "RINO Encryption"
 msgstr ""
 
-#: src/Module/Admin/Site.php:603
+#: src/Module/Admin/Site.php:605
 msgid "Encryption layer between nodes."
 msgstr ""
 
-#: src/Module/Admin/Site.php:603 src/Module/Admin/Site.php:609
+#: src/Module/Admin/Site.php:605 src/Module/Admin/Site.php:611
 #: src/Module/Contact.php:515 src/Module/Settings/TwoFactor/Index.php:118
 msgid "Disabled"
 msgstr ""
 
-#: src/Module/Admin/Site.php:603
+#: src/Module/Admin/Site.php:605
 msgid "Enabled"
 msgstr ""
 
-#: src/Module/Admin/Site.php:605
+#: src/Module/Admin/Site.php:607
 msgid "Maximum number of parallel workers"
 msgstr ""
 
-#: src/Module/Admin/Site.php:605
+#: src/Module/Admin/Site.php:607
 #, php-format
 msgid ""
 "On shared hosters set this to %d. On larger systems, values of %d are great. "
 "Default value is %d."
 msgstr ""
 
-#: src/Module/Admin/Site.php:606
+#: src/Module/Admin/Site.php:608
 msgid "Enable fastlane"
 msgstr ""
 
-#: src/Module/Admin/Site.php:606
+#: src/Module/Admin/Site.php:608
 msgid ""
 "When enabed, the fastlane mechanism starts an additional worker if processes "
 "with higher priority are blocked by processes of lower priority."
 msgstr ""
 
-#: src/Module/Admin/Site.php:608
+#: src/Module/Admin/Site.php:610
 msgid "Direct relay transfer"
 msgstr ""
 
-#: src/Module/Admin/Site.php:608
+#: src/Module/Admin/Site.php:610
 msgid ""
 "Enables the direct transfer to other servers without using the relay servers"
 msgstr ""
 
-#: src/Module/Admin/Site.php:609
+#: src/Module/Admin/Site.php:611
 msgid "Relay scope"
 msgstr ""
 
-#: src/Module/Admin/Site.php:609
+#: src/Module/Admin/Site.php:611
 msgid ""
 "Can be \"all\" or \"tags\". \"all\" means that every public post should be "
 "received. \"tags\" means that only posts with selected tags should be "
 "received."
 msgstr ""
 
-#: src/Module/Admin/Site.php:609
+#: src/Module/Admin/Site.php:611
 msgid "all"
 msgstr ""
 
-#: src/Module/Admin/Site.php:609
+#: src/Module/Admin/Site.php:611
 msgid "tags"
 msgstr ""
 
-#: src/Module/Admin/Site.php:610
+#: src/Module/Admin/Site.php:612
 msgid "Server tags"
 msgstr ""
 
-#: src/Module/Admin/Site.php:610
+#: src/Module/Admin/Site.php:612
 msgid "Comma separated list of tags for the \"tags\" subscription."
 msgstr ""
 
-#: src/Module/Admin/Site.php:611
+#: src/Module/Admin/Site.php:613
 msgid "Deny Server tags"
 msgstr ""
 
-#: src/Module/Admin/Site.php:611
+#: src/Module/Admin/Site.php:613
 msgid "Comma separated list of tags that are rejected."
 msgstr ""
 
-#: src/Module/Admin/Site.php:612
+#: src/Module/Admin/Site.php:614
 msgid "Allow user tags"
 msgstr ""
 
-#: src/Module/Admin/Site.php:612
+#: src/Module/Admin/Site.php:614
 msgid ""
 "If enabled, the tags from the saved searches will used for the \"tags\" "
 "subscription in addition to the \"relay_server_tags\"."
 msgstr ""
 
-#: src/Module/Admin/Site.php:615
+#: src/Module/Admin/Site.php:617
 msgid "Start Relocation"
 msgstr ""