RE: [exim] rfc-ignorant.org - auto reporting those who

David Brodbeck wrote:
>
> > Nobody argues about this sequence of commands which you use:
> > client_sends > EHLO host.domain.com
> > server_response> 250 OK
> > client_sends > MAIL FROM: <>
> > server_response> 250 OK
> > client_sends > RCPT TO: <user@yourdomain>
> > server_response> 550 Error, No such recipient
>
> Sure about that? I saw an example of one host that was permanently
> listed in rfc-ignorant for a sequence like this:
>
> EHLO host.domain.com
> 250 OK
> MAIL FROM:<>
> RCPT TO:<postmaster@yourdomain>
> 550 Rejected; use a real MAIL FROM address.

The reason in the error is the difference, in my example, an example of
a normal? RCPT TO: 550 error, the error is 'No such receipient', in the
example you give, even though the 550 is generated after a RCPT TO:
command, the reason is 'use a real MAIL FROM address', i.e. they do not
want to accept 'MAIL FROM:<>', and that is what they say.

> Apparently they aren't too picky about what circumstances they'll add
> people under. They do seem to be pretty picky about when they'll remove
> people. This is why I don't use that blacklist to reject mail.

I do not use the rfc-ignorant lists myself, I was just pointing out that
what you stated was not what the original poster had complained about,
he did not complain that a site rejected messages that happened to be
from null senders, but that they rejected all null senders at the
'MAIL FROM:' stage, two different things.

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