On 2006-09-13 17:56, Matthew Seaman <[EMAIL PROTECTED]> wrote: > hosts.allow triggers special behaviour with sendmail. Unlike other > services which just close the connection immediately, with sendmail > what happens is that it will accept the connection, let the sender > attempt to send e-mail, but then respond with a 500 'permanent > failure' code. > > The reason for that is fairly simple: if a MTA gets no answer when > trying to connect to a server and deliver e-mail, then the standards > say it should requeue the message and try again for up to 5 days. The > only way to get the sending MTA to give up immediately is to issue a > SMTP 500 error code.
Ah! I see now. Thanks for taking the time to write this cool, detailed explanation. Now I know one more thing about Sendmail :-) _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
