Good point for ldap - perhaps have a local ldap mirror in each server... On Tue, Jun 1, 2010 at 8:36 PM, Ed wrote: > Is this just a hot swap or some ghost servers? > > The best way is to set up your failover at the DNS level and at the > LDAP cluster. A heartbeat can bring on the mirror postfix if the > primary fails. You want to be dropping your LDAP info to a flat file > for postfix to work from on a regular interval - no reason for postfix > to stop if it can't reach the LDAP(s) "Temporary lookup failure". > Also, I would guess there is a database in there somewhere for the > email themselves - just make that a cluster too. > > I don't think Postfix is stateful on its own, just a queu that only > clears an email after delivery is confirmed to the next queu. If the > postfix machine dies before a message gets delivered, the message will > still be in the delivery queu, ready to be delivered. > or > http://readlist.com/lists/postfix.org/postfix-users/13/67961.html > or IPANY > http://www.gossamer-threads.com/lists/linuxha/users/63864 > > > On Sun, May 30, 2010 at 7:57 PM, Bryan O'Neal > wrote: >> Ok so I now have another postfix project (second one this week). This >> one specifies the following - CentOS servers, virtual users, ldap >> authentication (automatic user creation from ldap is a plus), and all >> mail and configs must be synced with a second box for redundancy. >> >> The configs are just an rsync issue, any recommendations on syncing mail? >> >> >> Any one want to give me there two cents or point to a favorite how too. >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss >> > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change your mail settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change your mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss