On 12/12/2020 14:46, Frank Richter via Exim-users wrote:
> It comes from an e-mail with an overlong From: header:
> From: "…" <PPPPPPPPPPPPPPKKKKKKKKKKKKKKKKKTTTTTTTTTTTTTTTTTTTTTTTTRRRRRRRRRRRRRRRRRRRRRRRRSSSSSSSSSSSSSSSSSSSSSSSSSSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADDDDDDDDDDDDDDDDDFFFFFFFFFFFFFFFFFFFFFCCCCCCCCCCCCCCCBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB@…>
>
> I'd like to reject such "address monsters". How's the best way to achieve this?
Try a rewrite rule:
^.{40,}@tuced.eu deny_me@???
before your existing rule. Then a simple match-and-deny in your data ACL:
deny condition = ${if eq {deny_me@???} {${address:$h_from:}}}
Rewrites for headers get processed before the data ACL, or you could
just do it all there.
--
Cheers,
Jeremy
