- Plesk Onyx for Windows
Unable to login to Horde webmail:
CONFIG_TEXT: Login failed because your username or password was entered incorrectly.
Unable to connect to the port 143 via telnet utility:
C:\> telnet example.com 143
OK IMAP4rev1 SmarterMail
01 LOGIN [email protected] xxxxxxx
01 NO LOGIN bad username or password
MailEnable is used as Mail server in Plesk > Tools&Settings > Server Components.
An email sent to the mailbox returns with the following reply:
CONFIG_TEXT: Final-Recipient: rfc822; [email protected]
Remote-MTA: dns; mail.example.com. (203.0.113.2, the server for the domain example.com.)
Diagnostic-Code: smtp; 550 [email protected] No such user here
Last-Attempt-Date: Wed, 24 Jan 2018 06:40:58 -0800 (PST)
Incorrect mail service is running on the server.