Sorry for missing this. I have these emails going to a special mailbox and I forgot.
Sorry again, but thanks again for the help and I will try this out today! jg On 3/31/10 1:55 PM, "Victor Duchovni" <victor.ducho...@morganstanley.com> wrote: > On Wed, Mar 31, 2010 at 01:28:22PM -0400, Jon Giles wrote: > >> Thanks again for the suggestions. Having removed fallback_relay has >> stopped the loops, but I am still challenged in setting up the failover to >> the second relayhost. >> >> Unless there is something I am missing, using a local DNS server to create >> the failover isn't an option for me. I can't use A records to point to the >> relayhosts because the Ips might change over time without my knowledge. > > That's why you would use MX records: > > localhost zone on MTA DNS server: > xyzzy.localhost. IN MX 0 primarymx.example.net. > xyzzy.localhost. IN MX 10 secondarymx.example.net. > > main.cf: > relayhost = xyzzy.localhost Jon Giles Network Engineer The CDM Group 220 East 42nd Street, New York, New York 10017 p: (212) 450-2912 -------------------------------------------------------------------------- Please consider the environment before printing this e-mail. -------------------------------------------------------------------------- -------------------------------------------------------------------------- Privileged/Confidential Information may be contained in this message. Any strategies and tactics described herein or in attachments are subject to legal and regulatory approval prior to implementation. If you are not the addressee indicated in this message (or responsible for delivery of the message to such person), you may not copy or deliver this message to anyone. In such case, you should destroy this message and kindly notify the sender by reply e-mail. Please advise immediately if you or your employer do not consent to Internet e-mail of this kind. Opinions, conclusions, and other information in this message that do not relate to the official business of The CDM Group shall be understood as neither given nor endorsed by it.