> hi, > > Whats the 'robust' way to make sure email to a specific destination is > only accepted if it came over the localhost:25 or /usr/sbin/sendmail > route ? anything else should get a 5xx error. Emails to other > destinations should remain unaffected. > I guess you should need to configure two incoming variant in master.cf, so you have one smtpd listening for localhost and one on the real ip. For the one on the real ip you just set a recipient restriction that disallows your specific destination (directly in master.cf itself). I didn't test, but it should work. Regards, Andreas -- Solvention Egermannstr. 6-8 53359 Rheinbach Tel: +49 2226 158179-0 Fax: +49 2226 158179-9 http://www.solvention.de mailto:info at solvention.de -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/x-pkcs7-signature Size: 3509 bytes Desc: S/MIME Cryptographic Signature URL: <http://lists.centos.org/pipermail/centos/attachments/20090729/a35f5ad3/attachment-0005.bin>