Mail

Articles related to mail service in Plesk including webmail.

Excessive SRS header is displayed in From field in mail clients for some forwarded emails
All emails are bounced back and not sent with Plesk Email Security enabled
Emails are automatically forwarded to an unknown address in Plesk
IMAP folders are not displayed in Outlook for a mailbox hosted in Plesk
Unable to connect to mailbox on Plesk via IMAP/POP3: "Maximum number of connections from user+IP exceeded" OR "Maximum connection limit reached"
Emails are not forwarded to the mailbox in Plesk: Permission denied postdrop
Unable to activate the mail service on a domain: mailmng-outgoing failed: ERROR:__main__:UNIQUE constraint failed: vhost_ids.guid
Unable to set up a mail autodiscover profile on iOS for a mailbox in Plesk: Invalid profile
Horde databases in Plesk are not recreated after reinstallation: DB query failed: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'horde.TABLE_NAME' doesn't exist
Seafile WebDav (seafdav) fails to load with error: 504 Gateway Time-out
Administrator receives bounce email message to mailbox not registered in Plesk: This address no longer accepts mail
How to whitelist a domain in Plesk Email Security extension?
Does Plesk Email Security extension support Rocky Linux 8/RHEL 8?
CVE-2022-30287: Vulnerability in Horde
Swiftmailer/Symfonymailer or Prestashop messages stopped working after upgrading Plesk to version 18.0.45
Plesk messages to Gmail get bounced with error: fails to pass SPF checks with the ip
Incoming mail to Plesk server is rejected by Spamhaus block lists: Error: open resolver
Unable to start Postfix in Plesk: /usr/sbin/postconf: libmysqlclient.so.18: cannot open shared object file: No such file or directory
Outlook cannot connect via TLS to a Plesk server after Windows update (KB5018410)
Why is Roundcube 1.5.0/1.6.0 not available in Plesk for CentOS 7 and Ubuntu 18.04?