On Wed, 8 Dec 2010, Chris Russell wrote: > > Hi All, > > RFC, best practise etc etc aside for one moment, is there a way to stop > exim generating bounce messages for a particular domain ? > > We do backup MX for a couple of customers, who have their own Anti-Spam > solution - using callouts (recipient verification), this works well > until their Anti-Spam appliance generates a bounce after SMTP DATA (and > actually in some RCPT TO instances) - in which case we then generate the > bounce: > > Ie: > > 2010-12-08 11:38:45 1PQIEA-0002tR-N2 ** [email protected] R=dnslookup > T=remote_smtp: SMTP error from remote mail server after RCPT > TO:<[email protected]>: host spam appliance [1.1.1.1]: 550 5.5.0 > <[email protected]>... no such recipient - [email protected] > 2010-12-08 11:38:45 1PQIM9-0004Jz-5F <= <> R=1PQIEA-0002tR-N2 U=exim P=local > S=8369 > > And > > 2010-12-08 09:21:50 1PQGDc-0000Jm-3j ** [email protected] R=dnslookup > T=remote_smtp: SMTP error from remote mail server after end of data: host > otherspamappliance [2.2.2.2]: 554 rejected due to spam content > 2010-12-08 09:21:50 1PQGDe-0000OB-0a <= <> R=1PQGDc-0000Jm-3j U=exim P=local > S=4609 > 2010-12-08 09:21:50 1PQGDc-0000Jm-3j Completed > > I agree with comments related to: don't this is, against RFC's etc etc > however this causing issues with various blacklists.. and the customer > is adamant they wish to continue this. > > So the question is, is there any option in the routers to stop bounces being > generated ? > > Thanks > > Chris >
You could do an smtp call forward for rcpt verification in your rcpt acl, and at least reject (if the customer rejects after rcpt_to) those items during the original smtp session, instead of having a bounce to deal with. -- -------------------------------------------------------- Dave Lugo [email protected] No spam, thanks. Are you the police? . . . No ma'am, we're sysadmins. -------------------------------------------------------- -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
