When you restart dovecot, if it won't start up again it's likely the process crashed on startup but left the subsys lockfile in place. This prevents dovecot from starting up again. If you … [Read more...] about Dovecot dead but subsys locked error
Information And Howtos About Email Servers Such As Postfix, Dovecot, Maildrop, Sendmail
Email was the first "killer app" of the early Internet and today millions of emails are sent every day using a variety of emails servers such as postfix and sendmail. This section looks at how to use and configure email servers for sending and receiving email, mail filtering with services such as maildrop and procmail, and POP and IMAP servers such as Courier IMAP and Dovecot.
If you get a message like the one following, then you are filtering emails through spamassasin using /usr/bin/spamc but the spamassassin service is not running. Oct 24 12:27:31 vps131 … [Read more...] about Spamassassion connection refused
I have been setting up a new mail server recently with Postfix and SMTP Auth, and got the error message "no SASL authentication mechanisms". If you have enabled SMTP Auth with Postfix like … [Read more...] about Postfix SMTP Auth Error “no SASL authentication mechanisms”
Postfix allows you to store virtual alias maps in a text file, which tells postfix how to route virtual email addresses to real users on the system. This setting and the file location is determined in … [Read more...] about Updating Postfix’s virtual alias maps
Running postfix on a CentOS mail server I got the following error message both in a returned email and also in the log file: "cannot update mailbox ... error writing message: File too … [Read more...] about Postfix “file too large” error message