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Mechiel Lukkien 3e4d1247e2 add config option to an account destination to reject messages that don't pass a dmarc-like aligned spf/aligned dkim check
intended for automated processors that don't want to send messages to senders
without verified domains (because the address may be forged, and the processor
doesn't want to bother innocent bystanders).

such delivery attempts will fail with a permanent error immediately, typically
resulting in a DSN message to the original sender. the configurable error
message will normally be included in the DSN, so it could have alternative
instructions.
2025-02-15 17:34:06 +01:00

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Domains:
mox.example:
Aliases:
public:
Addresses:
- [email protected]
- mó[email protected]
PostPublic: true
AllowMsgFrom: true
private:
Addresses:
- [email protected]
- mó[email protected]
mox2.example: nil
disabled.example:
Disabled: true
Accounts:
mjl:
Domain: mox.example
Destinations:
[email protected]: nil
[email protected]: nil
""@mox.example: nil
# ascii o, we'll check that greek & cyrillic lookalike isn't accepted
[email protected]: nil
# ohm sign, \u2126
Ω@mox.example: nil
mó[email protected]: nil
[email protected]:
SMTPError: 550 no more messages
[email protected]:
MessageAuthRequiredSMTPError: cannot authenticate domain in message-from header, ensure aligned spf/dkim pass
[email protected]: nil
JunkFilter:
Threshold: 0.9
Params:
Onegrams: true
MaxPower: 0.01
TopWords: 10
IgnoreWords: 0.1
RareWords: 2
# not a member of an alias.
☺:
Domain: mox.example
Destinations:
☺@mox.example: nil
disabled:
Domain: mox.example
LoginDisabled: testing
Destinations:
[email protected]: nil