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 [email protected]
before your existing rule. Then a simple match-and-deny in your data ACL:
deny condition = ${if eq {[email protected]} {${address:$h_from:}}}
Rewrites for headers get processed before the data ACL, or you could
just do it all there.
--
Cheers,
Jeremy
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