All depends on how much money do you want to invest... jeje. You can have a state of the start cluster/load balance network supporting your mail servers.. but if you have no money.. like me.. here is what we do.. We have our primary server holds IMAIL and we have a secundary one. Just spool and forward. It was pretty easy to setup.
MX10 goes to primary MX20 goes to secundary when primary fails, mail is delivered and hold in MX20 server until MX10 goes up. Our own policy: When primary goes down... we allow a maximum of 1 day to have it back on track. If it doesn't go back on track. We just setup another primary box for Imail and configure it properly with the same configuration primary box had. Perhaps some minor changes to domain names, etc. We hold very current backups of our MX10 registry (domains, users, passwords) once we have it back... mail will be forwared from MX20 to our brand new MX10 MX10 and MX20 are located in the same data center. Now we are thinking on having an MX30 in our own office, just in case the data center completely fails. if my clients want on time connectivity and 100% uptime.. I guess I will be charging them more and I will build a cluster/load balance solution. bye Luis Arango ----- Original Message ----- From: "Orin Wells" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, January 26, 2003 11:27 PM Subject: [IMail Forum] Mirroring an iMail server > This week the server farm where we have our iMail server suffered some > significant problems. Several of their servers were attacked which > contributed to the reputed Internet slowdown and they had significant > problems with some Cisco routers which were changed out about three to four > time. In the muck up we had our server out intermittently and for one > period virtually overnight while they tried to fix everything. The > question has been posed "what about your back up plans fellows?" > > This has given us pause to ask the question how can we provide a mirror for > the iMail server? If so how does it work? > > If anyone has done this, would you mind sharing the techniques and > strategies for setting it up and making it work seamlessly? > > It is apparent to me the DNS servers are key to it. If Server A is down > then Server B gets the email through two address entries I would > guess. This must mean we have to have a mirrored set of email accounts on > both servers and make sure they are kept in sync. > > So when this happens with some of the mail for client X on server A and > some on server B how does it get merged? Or does it? If not how can the > client be sure of picking up all of his e-mail. > > What if you have unique IP addresses for each email domain? How is that > all sorted out? Do you have a duplicate set for the second server or do > you set up virtual hosts on the second server just to pick up the mail? > > You can tell I don't even know enough in this area to be too dangerous. > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > ______ > [Email scanned for viruses by Panda Consulting -www.pandacons.com-] > [Email escaneado contra virus por Panda Consulting -www.pandacons.com-] > > ______ [Email scanned for viruses by Panda Consulting -www.pandacons.com-] [Email escaneado contra virus por Panda Consulting -www.pandacons.com-] To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
