Re: [exim] Callout cache causing rejects

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Autor: Mathieu
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A: exim-users
Assumpte: Re: [exim] Callout cache causing rejects
Le 09/05/2018 à 16:23, Jeremy Harris via Exim-users a écrit :
> The MAIL FROM was rejected; we didn't get as far as the
> RCPT TO, so the rejection would apply to any recipient.
>
> I'm depending on your not having obfuscated that log (please
> don't or I'll be much less use to you),


Yes, I'm only replacing with anonymized similar values.

> and assume that
> the null from indicates a sender verify (you didn't say).


That's right, sorry!

So if I understand correctly, my problem here is that Exim sends the
SIZE, which the remote server rejects, and makes Exim caches the
blacklisting of this domain, rejecting all valid other messages until
cache expiration.

Is it possible to disable sending SIZE during verify?

> You also didn't say what Exim version. The coding changed
> in that area for 4.90 - commit 14de8063d8 for bug 2151 -
> perhaps you are not running any that recent?


No, we are still on 4.89.

But indeed, bug 2151 looks exactly like my bug!
https://bugs.exim.org/show_bug.cgi?id=2151

So, is the only way to fix it is to upgrade to 4.90? (4.91 is available
in Debian Backports)

Maybe the doc could mention that SIZE in the SMTP commands sent:
http://www.exim.org/exim-html-current/doc/html/spec_html/ch-access_control_lists.html#SECTcallver

Thanks
--
Mathieu