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I have a qmail server that is using qmail-scanner-1.25 along w/ spamassassin & clamav to do store&forward scanning of email. In the smtproutes file I have different IP's for each domain i'm handling mail for.
I'm interested in setting up a disaster recovery/business continuity function on the server. Meaning, if I am filtering mail for company A (example.com), and Company A's mail server goes down, obviously my filter box will continue to queue mail for 48 hours. In the meantime, however, I wanted to give Company A access to that queued mail via a webmail interface. This is easy enough by creating a bogus vpopmail domain (example.backup), and installing the qmail-tap patch which will allow me to copy any mail destined for user A to user A's example.backup email box.
Here comes the problem: While a user from company A can log into the webmail interface, they can't reply to any emails that happen to be in there, due to the fact that they'd be sending FROM a bogus domain ( user@example.backup) and many email servers will reject this. The solution, it would seem, is to have the vpopmail domain match the real world domain, example.com. However, if the example.com domain lives on the actual filter box, then it ignores the smtproutes entry for that domain, and only delivers it locally.
Is there a way to filter for a domain (example.com), and pass the messages along via smtproutes to that company's mail server, while also maintaining a copy of each message (via qmail-tap?) in a vpopmail domain of the same name (example.com) that lives local on that box, so that messages could still be sent from the web interface?
Sorry if this seems convoluted. Thanks for reading.
Matt
Matt Yette
Network Analyst I
Faxton St. Lukes Healthcare
315-624-5843
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