an email service for DFRI

email submission

• MTA: postfix
• multiple submission MTA's, dns roundrobin

incoming email -- imap servers

• dovecot + TREES

• one or more pair(s) of dovecot servers replicating email using dsync over ssh

sorting mail into folders

• sieve
• are there any decent sieve clients?

spam and virus, dealing with the unwanted

spf, dkim, dmarc, arc

spam filtering

• spamassassin, filtering both outgoing and incoming?
• greylisting
• avoid judging based on source address if at all possible
• per-user settings for spam filtering

virus filtering

• both outgoing and incoming?
• per-user settings for virus filtering

mailing lists

• choice of software: mlmmj, mailman, sympa
  • mlmmj is simple, too simple? there are software for keeping subscribers in both sql and ldap databases; how's this web i/f?
  • mailman
  • sympa is competent but not very user friendly, in use by riseup since long and they might be interested in fixing the web i/f

webmail

• choice of software: roundcube, horde, other