## postfix container Runs postfix container. - https://mxtoolbox.com/domain/ - https://gmail.com/postmaster/ - https://serverfault.com/questions/419407/fighting-spam-what-can-i-do-as-an-email-administrator-domain-owner-or-user - https://productforums.google.com/forum/#!msg/gmail/gcipz5Jg3zg/lrMCrt_kAQAJ - https://support.google.com/mail/answer/81126?hl=en&vid=0-1510561403600-1544997826763 ## runit runit - a UNIX init scheme with service supervision. - http://kchard.github.io/runit-quickstart/ - http://smarden.org/runit/runsv.8.html - http://smarden.org/runit/sv.8.html - http://smarden.org/runit/chpst.8.html