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Merge remote-tracking branch 'upstream/main' into merge-upstream

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# Conflicts:
#	.gitignore
#	management/auth.py
#	management/daemon.py
#	management/mail_log.py
#	management/mailconfig.py
#	management/mfa.py
#	management/ssl_certificates.py
#	management/status_checks.py
#	management/utils.py
#	management/web_update.py
#	setup/mail-postfix.sh
#	setup/migrate.py
#	setup/preflight.sh
#	setup/webmail.sh
#	tests/test_mail.py
#	tools/editconf.py
This commit is contained in:
downtownallday
2024-03-12 07:41:14 -04:00
parent c884d63dda 18b8f9ab4b
commit d349150dd0
33 changed files with 582 additions and 571 deletions
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7
setup/mail-postfix.sh
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@@ -70,7 +70,7 @@ tools/editconf.py /etc/postfix/main.cf \
myhostname=$PRIMARY_HOSTNAME\
smtpd_banner="\$myhostname ESMTP Hi, I'm a Mail-in-a-Box (Ubuntu/Postfix; see https://mailinabox.email/)" \
mydestination=localhost
# Tweak some queue settings:
# * Inform users when their e-mail delivery is delayed more than 3 hours (default is not to warn).
# * Stop trying to send an undeliverable e-mail after 2 days (instead of 5), and for bounce messages just try for 1 day.
@@ -245,14 +245,15 @@ tools/editconf.py /etc/postfix/main.cf -e lmtp_destination_recipient_limit=
# * `reject_unlisted_recipient`: Although Postfix will reject mail to unknown recipients, it's nicer to reject such mail ahead of greylisting rather than after.
# * `check_policy_service`: Apply greylisting using postgrey.
#
# Note the spamhaus rbl return codes are taken into account as adviced here: https://docs.spamhaus.com/datasets/docs/source/40-real-world-usage/PublicMirrors/MTAs/020-Postfix.html
# Notes: #NODOC
# permit_dnswl_client can pass through mail from whitelisted IP addresses, which would be good to put before greylisting #NODOC
# so these IPs get mail delivered quickly. But when an IP is not listed in the permit_dnswl_client list (i.e. it is not #NODOC
# whitelisted) then postfix does a DEFER_IF_REJECT, which results in all "unknown user" sorts of messages turning into #NODOC
# "450 4.7.1 Client host rejected: Service unavailable". This is a retry code, so the mail doesn't properly bounce. #NODOC
tools/editconf.py /etc/postfix/main.cf \
smtpd_sender_restrictions="reject_non_fqdn_sender,reject_unknown_sender_domain,reject_authenticated_sender_login_mismatch,reject_rhsbl_sender dbl.spamhaus.org" \
smtpd_recipient_restrictions=permit_sasl_authenticated,permit_mynetworks,"reject_rbl_client zen.spamhaus.org",reject_unlisted_recipient,"check_policy_service unix:private/policy-spf","check_policy_service inet:127.0.0.1:10023"
smtpd_sender_restrictions="reject_non_fqdn_sender,reject_unknown_sender_domain,reject_authenticated_sender_login_mismatch,reject_rhsbl_sender dbl.spamhaus.org=127.0.1.[2..99]" \
smtpd_recipient_restrictions="permit_sasl_authenticated,permit_mynetworks,reject_rbl_client zen.spamhaus.org=127.0.0.[2..11],reject_unlisted_recipient,check_policy_service unix:private/policy-spf,check_policy_service inet:127.0.0.1:10023"
# Postfix connects to Postgrey on the 127.0.0.1 interface specifically. Ensure that
# Postgrey listens on the same interface (and not IPv6, for instance).