>... >I run mail on the secondary server against 3 RBLs (the slightly slower >response is the >price they pay for going to the secondary), which things things out, but >running a >second implementation of SA on the secondary is not something I really >considered. > >Do most people run SA or something similar on there secondary MX servers? If >so how - I >assume a Milter or something similar? > >--- >Kind Regards, >David > >http://www.flanigan.net > If you don't want to run another copy of SA, try using a dozen RBLs, but 450 everything instead of a permanent reject; That way most mail will go through, but anything questionable will have to retry. Also, using some greylisting (unconditionally) on any asymetrical (i.e. different setup than your primary MX) secondary MX is probably a good idea also,
In the end, your choices will all depend on the MTA you're using. Paul Shupak [EMAIL PROTECTED]