on 7-15-2008 9:34 AM fabian dacunha spake the following: >>> on 7-14-2008 1:45 PM fabian dacunha spake the following: >>>> Dear All, >>>> >>>> I have been using centos 5.1 for quite some time as out DNS and mail >>>> server >>>> and been workin fine >>>> >>>> i use sendmail as my mail server >>>> >>>> i did setup a backup mail server as per docs and ran th dns test from >>>> http://www.checkdns.net >>>> >>>> and it says both the mail servers are fine >>>> >>>> >>>> but i would like to know the following >>>> >>>> how would i really know if my main primary server is down all my mails >>>> r >>>> goin to my secondary mail server >>>> >>>> and when my primary is up are the mails copied back to my primary >>>> >>>> i did put down my mail server for abt 3 hrs cause cant keep it down for >>>> long but did not really see anything >>>> >>>> also are there any websites that can chec both my mail servers >>>> correctly >>>> >>>> >>>> apprecite and thnaks >>>> >>>> >>>> >>>> >>> A real simple test would be to bring down the primary and send yourself >>> something from an outside address like yahoo or gmail. give it 10 or 15 >>> minutes, bring the primary up and when you see the message to yourself, >>> it >>> should have a header from your backup server also. > > Thanks scott > i did test my mail setup by sending 2 emails from outside address > by shutting down my primary mail server > > and i could see that the mail was queued to my secondary > > and after abt 20 min which is wht the queue time set by me the mail was > perfectly delivered to my inbox > > apprecite n thnks > > actually my queue time ealier was set to 1 hr and hence i never waitied > for 1 hr > jus w8ed for 20 min to 30 min n hence was confused > > thnks once again > > > regards > fabian Glad I could be of assistance! -- MailScanner is like deodorant... You hope everybody uses it, and you notice quickly if they don't!!!! -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 258 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos/attachments/20080715/bb213e54/attachment-0005.sig>