Author: Nico Erfurth Date: To: Jose de Paula Eufrasio Junior, Exim-users Subject: Re: [Exim] Problems with sender callout.
Jose de Paula Eufrasio Junior wrote: > Hello.
>
> I'm using sender/callout option in my exim conf, and there's an valid
> sender being blocked.
>
> I read the specs and see that the callout is done trying to send a
> bounce message to the sender host (using the mail from:<> syntax)
>
> I tried to do the same thing, and discovered that when I try to send a
> mail from <> to this domain i get an error, like:
>
> Connected to mail.fujifilm.com.br.
> Escape character is '^]'.
> 220 imss OK+SMTP 2002 Thu, 30 Jan 2003 12:05:35 -0300
> helo x
> 250 imss Hello [200.194.1zz.zzz]
> mail from:<>
> 501 <> : domain string is NULL.
>
> And then the verify fails...
And this is one more reason to bounce them!
> There's any ACL option to skip sender verify just for some buggy domains
> or any other solution to deal with domains that doesn't take bounce
> messages (!!) ?
deny message = Could not verify sender
!sender_domains = broken.domain.tld:another.broken.domain.tld
!sender = verify/callout
