Articles related to mail service in Plesk including webmail.
- How to troubleshoot autodiscover functionality in a Plesk server?
- Why is Roundcube 1.5.0/1.6.0 not available in Plesk for CentOS 7 and Ubuntu 18.04?
- Outlook cannot connect via TLS to a Plesk server after Windows update (KB5018410)
- Unable to start Postfix in Plesk: /usr/sbin/postconf: libmysqlclient.so.18: cannot open shared object file: No such file or directory
- Incoming mail to Plesk server is rejected by Spamhaus BL: Error: open resolver
- Swiftmailer/Symfonymailer or Prestashop messages stopped working after upgrading Plesk to version 18.0.45
- CVE-2022-30287: Vulnerability in Horde
- Does Plesk Email Security extension support Rocky Linux 8/RHEL 8?
- How to whitelist a domain in Plesk Email Security extension?
- Administrator receives bounce email message to mailbox not registered in Plesk: This address no longer accepts mail
- Seafile WebDav (seafdav) fails to load with error: 504 Gateway Time-out
- 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
- Unable to set up a mail autodiscover profile on iOS for a mailbox in Plesk: Invalid profile
- Unable to activate the mail service on a domain: mailmng-outgoing failed: ERROR:__main__:UNIQUE constraint failed: vhost_ids.guid
- Emails are not forwarded to the mailbox in Plesk: Permission denied postdrop
- Unable to connect to mailbox on Plesk via IMAP/POP3: "Maximum number of connections from user+IP exceeded" OR "Maximum connection limit reached"
- IMAP folders are not displayed in Outlook
- PHP mail() cannot send mail on Plesk server: The user user is not allowed to send email
- Emails are automatically forwarded to an unknown address
- All emails are bounced back and not sent with Plesk Email Security enabled
- Excessive SRS header is displayed in From field in mail clients for some forwarded emails
- How can I determine which mailboxes hosted in Plesk are responsible for outbound spam?
- PHP mail form stopped working after updating Plesk to version 18.0.38
- Emails can not be received/sent on a Plesk server due to stopped MailEnable SMTP Connector service
- Mail client provides warnings regarding IMAP connection for Plesk mailboxes: inotify initialization error
- Recreating a subscription or enabling the mail service fails with: mailmng-outgoing failed: ERROR:__main__:column name is not unique
- An operation fails in Plesk: mailmng-outgoing failed: ERROR:__main__:UNIQUE constraint failed: sysusers.id
- How to enable/disable autoresponder in Plesk
- Unable to send/receive emails on a Plesk server: Out of memory: Kill process (/usr/sbin/amavi)
- Unable to accept or send emails on Plesk server via SendGrid with forwarding enabled: 550 The from address does not match a verified Sender Identity.