Re: [exim] Sender callouts

Ian FREISLICH wrote:
> So you essentially land up connecting to the remote server and go
> MAIL FROM:<$sender_addres>
> RCPT TO:<$sender_addres>
>
> There are many sites that reject <> and are not listed on
> dsn.rfc-ignorant.org. My experience is that these sites correctly
> verify for some non null sender. If they're so broken that they
> do callouts for senders that are local and sender callout bomb
> themselves, well that's somebody elses problem isn't it?

Won't go over too well if the sender's server uses SPF. It's also possible
the site won't accept the sender if it's a local domain and not
authenticated.

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