Automatic procmail filter based on username
问题 I use postfix and procmail for mail and folder filtering. I have a main address and a bunch of alias addresses that go to it, then I sort the username to a folder that matches. For example I have the main address of 'address@domain.com" and a alias of "customer1@domain.com" pointing to it, and I have a folder called 'customer1' under 'address@domain.com' and a script like the following in .procmailrc - :0: * ^(To|Cc).*customer1@domain.com .customer1/ and it works fine, but every time I add a