Articles related to mail service in Plesk including webmail.
- Unable to start Postfix in Plesk: /usr/sbin/postconf: libmysqlclient.so.18: cannot open shared object file: No such file or directory
- 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
- 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?
- Mail user can't change its own forwarding in Plesk
- Emails can not be received/sent on a Plesk server due to stopped MailEnable SMTP Connector service
- [BUG] After updating to Plesk Obsidian 18.0.37 or 18.0.37 Update 1, email message sent to Plesk email account without mailbox and with forwarding to external mailbox is stuck in mail queue
- 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
- Unable to change mailbox size for subscription: Unable to set the required resource usage limit because the new value is less than the amount of resources reserved for your customers
- An operation fails in Plesk: mailmng-outgoing failed: ERROR:__main__:UNIQUE constraint failed: sysusers.id
- How to enable/disable autoresponder in Plesk
- 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.
- Unable to log in to webmail on a Plesk for Windows server: Unknown or Disabled User!
- Dovecot service on a Plesk server is down: Module is for different ABI version
- Unable to open emails for specific mailbox on Plesk with Courier IMAP/POP3 server: Could not load message from server
- Mail service is not working after Plesk server restart: connect to 127.0.0.1:10024 Connection refused