Redhat:Email install
Installation
The Email Server can be installed using the package group "E-mail Server". The packages in this group are shown below, they don't all need to be installed.
| cyrus-imapd* | Cyrus IMAP enterpise Email Syste, |
| cyrus-sasl | Adds SASL authentication to Cyrus |
| dovecot | Support POP3 and IMAP4 incoming mail protocol |
| dovecot-mysql, dovecot-pgsql, dovecot-pigeonhole | |
| mailman | Email Discussion Lists |
| postfix | |
| sendmail | |
| sendmail-cf | adds template configs to sendmail |
| spamassassin | spam fighting package |
Use Alternatives to Select Email Systems
Before using Alternatives you must stop the current mail service
/etc/init.d/postfix stop
/etc/init.d/sendmail stopalternatives --config mta