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Email bounce handling with postfix

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This commit is contained in:
James Pattinson
2025-10-14 16:16:44 +00:00
parent 12a82c8d03
commit f3d7592e7d
12 changed files with 934 additions and 24 deletions
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20
postfix/main.cf.template
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@@ -33,3 +33,23 @@ smtpd_recipient_restrictions =
# Other recommended settings
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
# Bounce handling configuration for email-based processing
# Configure bounce notification recipients
bounce_notice_recipient = bounces@lists.sasalliance.org
2bounce_notice_recipient = bounces@lists.sasalliance.org
delay_notice_recipient =
error_notice_recipient = bounces@lists.sasalliance.org
# Bounce settings
bounce_size_limit = 50000
bounce_queue_lifetime = 5d
maximal_bounce_delay = 1d
# Return path configuration - CRITICAL for bounce handling
# This ensures that when we relay emails via mailing lists through SES,
# bounces come back to our bounce processing address
#
# Use smtp_generic_maps instead of sender_canonical_maps because we only want
# to rewrite the return path for outbound SMTP (via SES), not for local delivery
smtp_generic_maps = hash:/etc/postfix/smtp_generic