Re: [exim] Problem with spam scanning

Renaud Allard wrote:
> Hello,
>
> I just went into some problems with spam scanning. I do not know whether
> it's really related on my upgrade of spamassassin to v3.1.8, but I saw
> the issue at the same time.
>
> The problem is that mails are altered after using an ACL with spam
> scanning. I am not using the old demime method. There is a carriage
> return that is added between the message and the attachments. That means
> signed mails fail validation because the message has been altered. It
> does not cause any problem with unsigned mails or encrypted mails however.
>
> I don't see any reason why spamassassin should modify the mail if called
> from the ACLs. But after I removed the "spam= nobody:true" in the ACLs,
> the problem stopped.
>

It seems that manually running spamc on an email that passed without the
"spam=" ACL doesn't alter the message and the signature is verified
successfully. So the problem does not seem to be related to spamassassin
but to exim with spamassassin scanning in ACLs.