I wish someone would put this in a step by step tutorial. Joly
On Sun, Nov 3, 2024 at 9:03 PM Mark Sapiro <m...@msapiro.net> wrote: > On 11/3/24 10:39, Hoover Chan via Mailman-Users wrote: > > > > Is it simply some combination of SPF, DMARC and DKIM? Maybe a > > particular way to set these up? Or something else? (The MTA? DNS?) > > Your server needs to identify itself with your domain name (`myhostname` > in Postfix). That domain needs an A record in DNS with the server's IP > and the IP needs a PTR back to the domain name. All outgoing mail should > be DKIM signed and you should publish and appropriate SPF. It is also > said that publishing a DMARC record, even with `p=none` can help too. > > Mailman must also apply DMARC mitigations. This is tricky because gmail > publishes a DMARC policy on `none`, but if mail to a gmail address is > From: a gmail address, gmail wants it to pass DMARC, so you either have > to apply DMARC mitigations to all mail (DMARC Mitigate unconditionally = > Yes) or add `^.*@gmail\.com$` to DMARC Addresses. > > -- > Mark Sapiro <m...@msapiro.net> The highway is for gamblers, > San Francisco Bay Area, California better use your sense - B. Dylan > > ------------------------------------------------------ > Mailman-Users mailing list -- mailman-users@python.org > To unsubscribe send an email to mailman-users-le...@python.org > https://mail.python.org/mailman3/lists/mailman-users.python.org/ > Mailman FAQ: http://wiki.list.org/x/AgA3 > Security Policy: http://wiki.list.org/x/QIA9 > Searchable Archives: > https://www.mail-archive.com/mailman-users@python.org/ > https://mail.python.org/archives/list/mailman-users@python.org/ > Member address: j...@punkcast.com > > -- -------------------------------------- Joly MacFie +12185659365 -------------------------------------- - ------------------------------------------------------ Mailman-Users mailing list -- mailman-users@python.org To unsubscribe send an email to mailman-users-le...@python.org https://mail.python.org/mailman3/lists/mailman-users.python.org/ Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: https://www.mail-archive.com/mailman-users@python.org/ https://mail.python.org/archives/list/mailman-users@python.org/ Member address: arch...@mail-archive.com
