Using Sendmail as a Multi-Platform Mail Router

See how one company uses a Linux system and sendmail to handle e-mail routing between incompatible systems.
The Result

The mail routing hub has been in operation at Caliber for about three months, and in that time it has routed over 48,000 messages. Given current traffic statistics, I expect it to handle about 600,000 messages during its first year. Fortunately, the few problems we've experienced have been due to configuration problems. It's too easy to leave out a period here or a dollar sign there. Linux and sendmail have performed flawlessly.

In a perfect world this solution wouldn't be needed. If the Caliber companies used only one common e-mail platform, there would be no need to look up mailbox names and route messages to the right gateway. But many large companies have a number of legacy systems that won't be going away any time soon. Those are exactly the types of environments where tools like sendmail work best. Due to network logistics and geography, we will still be using some of our legacy mail systems until 1998. In the meantime, our Linux e-mail hub will continue chugging through messages, routing them between disparate platforms and helping us meet increasing user expectations.

Sidebar: DNS and Sendmail Resources

Tom Lowery (tlowery@calibersys.com) is Project Manager of E-Mail and Groupware Development at Caliber Technology.

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undelivarable massages

sandip's picture

Hi

I was set one email id in multiple file and that file are set in crons
now that id are changed and i want to redirect that emails to new id
wihout file change

sandip

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