ResendingMailWithHeaders - Spamassassin Wiki Here's how to redirect (or "bounce") a mail message to another recipient. This is important when training Bayes via mail (as described in ProcmailToForwardMail), for example. It's often critical to redirect the message, rather than forwarding. Forwarding loses all of the critical header information, which is much of what Bayes trains from. Here are directions for redirecting from different clients.
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Claws Mail - the email client that bites!
Set-up Guide to “Gmail for your Domain” on Dreamhost (Inelegant Blog)