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I'm having problems trying to configure a catch all email in postfix.

I have an email account messages@example.com. All emails sent to this address are piped to a php script.

What I would like to do is forward all emails in the format anything.messages@example.com, e.g. 3454534.messages@example.com and dsf843fdd.messages@example.com, to this email account.

After doing some research I've done the following but to no avail.

In /etc/postfix/main.cf I have added the line

virtual_alias_maps = hash:/etc/postfix/virtual

In /etc/postfix/virtual I have added

/.*messages@example.com   messages

Any help is appreciated! Thanks.

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1 Answer

up vote 1 down vote accepted

Nowhere is it documented that hash maps support this kind of wildcarding - you're probably thinking about regexp or PCRE tables:

http://www.postfix.org/PCRE_README.html
http://www.postfix.org/pcre_table.5.html

Something like this should work:

/etc/postfix/wildcard.pcre: /^\d+\.message@example\.com$/ message

Note that PCRE maps are not compiled; don't run postmap on them.

However, I would strongly suggest you switch to using recipient delimiters instead; it makes all of this unnecessary.

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Actually, \d+ will only match digits and the user wants to match everything so \w+ should be used. Also, a quick way to check it's working is by using postmap (yes it works) like that: postmap -q 'foo.messages@example.com' pcre:/etc/postfix/wildcard.pcre – fim Mar 1 '12 at 11:11
@adaptr Thanks for your response. I've created wildcare.pcre as suggests and run the command above, but it returns nothing. Do I take that as a sign it is working? Do I need to reference the pcre table in main.cf? – leejmurphy Mar 1 '12 at 15:03
...yes, obviously. Just add it at the end of your virtual_alias_maps config: virtual_alias_maps = hash:/etc/postfix/virtual, pcre:/etc/postfix/wildcard.pcre – adaptr Mar 1 '12 at 15:07
Nothing seems to be happening. messages@example.com are still being routed, but foo.messages@example.com aren't, nor are they being returned to sender. I've tried checking the maillog but for some reason it hasn't updated since this morning, probably another issue entirely – leejmurphy Mar 1 '12 at 15:28
my bad, i missed the backslash escape on the .com. Seems to be working great, thanks! – leejmurphy Mar 1 '12 at 15:50

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