On 12/18/20 8:38 AM, @lbutlr wrote: > On 16 Dec 2020, at 04:14, Dominic Raferd <domi...@timedicer.co.uk> wrote: >> /etc/postfix/reject_domains: >> >> /@abcd\.biz$/ DUNNO >> /\.bid$/ REJECT We reject all .bid domains >> /\.biz$/ REJECT We reject all .biz domains > > I do this: > > /.*automators\.fm$/ DUNNO > /.*counter\.social/ DUNNO > /.*ometria.email/ DUNNO > /.*\.(com|net|org|edu|gov|ca|mx|de|dk|fi|fr|uk|us|tv|info|eu|es|il|it|nl|name|jp|host|au|nz|ch|tv)$/ > DUNNO > /.*\.*$/ 550 Mail to or from this TLD is not allowed > > Fourth line passes all the "good" TLDs that I accept mail from, based on my > server's mail. The first three accept specific domains. The last tells > everyone else to go away, and why.
Revisiting this ... where exactly do you apply this ruleset? I'm looking at implementing a rule to discard all four-letter-and-above TLDs except whitelisted ones, because I'm tired of playing whack-a-mole. Are you using header_checks rule, or something else? -- Phil Stracchino Babylon Communications ph...@caerllewys.net p...@co.ordinate.org Landline: +1.603.293.8485 Mobile: +1.603.998.6958
