Hello, On Wed, Jan 31, 2007 at 09:25:52AM +0100, Patrik Jansson wrote: > We have a set of primary mail servers, let's call it A. We also have two > backup mail servers B and C (which should operate on the same MX > priority but a slightly different problem occurs even if they wouldn't). > > Figure the case where a mail is to be delivered to a particular mail > server in the set A but that server is down so it is delivered to B > instead. B then tries to deliver to the primary server but it's still > down so it goes on in the MX priority and sends the mail to C insteads. > And here's where the loop begins I think, because C will then re-send it > to B won't it?
No, it won't, if the priorities are equal. This behaviour is documented in chapter 17 of the fine manual: <quote> MX records that point to the local host, or to any host name that matches hosts_treat_as_local, are discarded, together with any other MX records of equal or lower priority. </quote> And please, don't steal threads. -- Gruss / Best regards | LF.net GmbH | fon +49 711 90074-411 Matthias Waffenschmidt | Ruppmannstr. 27 | fax +49 711 90074-33 [EMAIL PROTECTED] | D-70565 Stuttgart | http://www.lf.net -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
