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XMail Forum > Documentation and Knowledge Base > smtp.ipmap.tab and smtp.relay.tab

Posted by: hschneider May 24 2004, 05:15 PM

>...having trouble understanding the differences in some of the SMTP files.
smtp.ipmap.tab allows to limit server access by IP ranges. This makes only sense in private systems. If you set a limit here, then you forbid other SMTP servers to communicate with your system. Most of them will blacklist you as a SPAM server then.

smtp.relay.tab lists trusted IP ranges, which are allowed to send (=relay) thru your server without any authentication. This is useful for e.g. CGI scripts.