Postfix - wildcard email forwarding

Discussion in 'Server Operation' started by moxie, Feb 26, 2008.

  1. moxie

    moxie New Member

    Hello All,
    I am a postfix newb, so hopefully this one is easy. I have been searching all over the internet and I can't seem how to configure postfix to forward wildcard emails to another email account.

    This comes out of the need to handle bounced emails to maintain my email list. I read that a good strategy is to embed the userID in the return-path of all emails being sent out, and if they bounce, you can send all the bounced emails to a catchall account, then process them from there, grab the userID and remove the user from the mailing list.

    Well, I wrote all the code to do that, I pull emails from an exchange account, parse out the userid, and remove it if it's a hard bounce, it works great, but I can't figure out how to forward the emails to the catchall account.

    I looked at alias, but I couldn't get it to work. I also looked at VERP, but I don't think it's what I want.

    for example
    <bounce_1234@example.com> ends up in <bounce@example.com>
    <bounce_2344@example.com> ends up in <bounce@example.com>
    <bounce_3427@example.com> ends up in <bounce@example.com>
    <bounce_5349@example.com> ends up in <bounce@example.com>
    etc...

    thank you very much for any input or direction you could provide!
     
  2. topdog

    topdog HowtoForge Supporter

    You can do that using the virtual transport, so this depends on how your postfix is implemented if you are not using external storage ie a database do this

    Edit /etc/postfix/virtual
    Code:
    @example.com <user_to_get_all_unknown>
    
    Then run
    Code:
    postmap /etc/postfix/virtual
    postfix reload
    
     
  3. moxie

    moxie New Member

    Thanks for the reply.

    I looked at this virtual domain, and the problem is that I already have a catchall account setup on my domain.

    @example -> spam@example.com

    so, I was hoping in postfix, I could set up some sort of wildcard address that forwarded "bounced*@example.com" -> bounced@example.com

    so that anything that was emailed to bounce<anything else>@example.com would show up in bounce@email.com's mailbox.

    i guess if all else fails, I could send emails from a sub-domain and have another catch-all on that sub-domain which I could assume would only be bounced-emails. But I would prefer to not have to set up a sub-domain.

    Thanks again for any input.
     
  4. topdog

    topdog HowtoForge Supporter

    I think you can do that i have never tried but give it a try although i think bounce* to bounce will give you a mail loop
     

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