Articles related to mail service in Plesk including webmail.
- Incoming messages are duplicated on all mailboxes on a Plesk server
- Emails are not sent/received when Plesk Email Security is installed: Access denied for user '<database_name>'@'127.0.0.1' (using password: YES)
- Mail stuck in the queue in the server with Plesk: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (13)
- Mail autodiscover in Plesk does not work with Outlook 365
- The FROM address is replaced by the forwarder email address when the Fix incorrectly set sender for outgoing mail option is enabled
- Unable to send or receive e-mail messages: Client host rejected: cannot find your hostname
- Plesk Premium Email: Unable to access webmail.example.com: Internal Server Error
- Unable to open a maillist on HTTPS: 404 Page Not Found
- Session in Horde webmail client is terminated shortly after login: Your session has expired. Please login again
- Table ‘roundcubemail.session’ doesn’t exist error when accessing Roundcube webmail
- Comodo certificate installed for the mail server. Mail client shows certificate expired
- Disabled mailbox in Plesk still receives mail messages
- Unable to log in to RoundCube: Connection to storage server failed
- Unable to send email via PHP: Rejecting message: system user uid='XXXX' is not allowed to send mail
- How to add an email address/domain/top-level domain to the server-wide blacklist in Plesk
- Unable to create a mailbox in Plesk: mailmng-outgoing failed: ERROR:__main__:NOT NULL constraint failed: mails.domain_id
- Receiving mail from certain server on Plesk for Linux server with Postfix fails: 1408A0C1:SSL routines:ssl3_get_client_hello:no shared cipher:s3_srvr.c:1435:
- Unable to send email via Gmail: TLS Negotiation failed, the certificate doesn't match the host
- Unable to receive mail on example.com
- Unable to select webmail for a domain while webmail software is installed on a server: none
- How to activate mail autodiscover for all existing domains on Plesk server?
- After switching from Courier IMAP to Dovecot emails are duplicated into POP3 account
- Folders with special characters are displayed incorrectly after upgrade to Obsidian 18.0.25
- Outgoing mail report in Plesk shows "Probable spam" warning when there is no spam and vice-versa
- Mails sent with delay: Blocked MTA-BLOCKED {TempFailedInbound}
- Unable to log in to Horde on Plesk server: Horde reloads the login page when entering the correct password
- Unable to receive/send mail in Plesk: (!)DENIED ACCESS from IP 203.0.113.2, policy bank
- Cannot send email when Plesk Email Security is installed: 127.0.0.1[127.0.0.1]:10024: Connection refused
- Notifications from Plesk are bounced: duplicate header field "Content-Type"
- Is it possible to have different SMTP banners for different IP addresses on the Plesk server