Dovecot: libsepol.so.1: failed to map segment from shared object: Cannot allocate memory

You may catch this error when you attempt to start dovecot on a Red Hat Enterprise Linux 5.1 system with the 64-bit architecture: dovecot: imap-login: imap-login: error while loading shared libraries: libsepol.so.1: failed to map segment from shared object: Cannot allocate memory dovecot: pop3-login: pop3-login: error while loading shared libraries: libsepol.so.1: failed to map segment from shared object: Cannot allocate memory If you start dovecot, the main dovecot daemon will run with one auth child process, but there will be no POP/IMAP processes started.
Read more →

Dovecot: mbox: Can’t create root IMAP folder

In some situations with dovecot running on your server, you may receive a message from your e-mail client stating that the “connection was interrupted with your mail server” or the “login process failed”. This may happen even if you’ve created the e-mail account, created the mail spool, and set a password for the user. If you check your /var/log/maillog, you will generally find errors like these: Oct 7 09:37:45 mailserver pop3-login: Login: newuser [111.
Read more →