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Thread: Forwarding with aliases?

  1. #1
    halcyon is offline New Member
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    Exclamation Forwarding with aliases?

    I'm curious if there is an analog for what I am currently doing in Postfix, in Zimbra. Example:

    With Postfix currently the users have their own home directory. As an example lets use foo@foo.com as the email address. All incoming email to foo@foo.com is forwarded to another address, say foospamchecker@foo.com. Clean mail is sent back to foo+clean@foo.com, and delivered locally. This is accomplished by using two things:

    .forward file containing foospamchecker@foo.com
    .forward+clean file that is empty triggering local delivery.

    Basically any email arriving that does not match .forward+clean in the home directory, 'falls through' to the .forward file and is sent for spam checking.

    Can something like this be done with Zimbra? I ask specifically since everything seems to be stored in ldap, and I am wondering if this capability can be achieved using that.

    Thanks!

  2. #2
    Bevan Bennett is offline Active Member
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    Default

    Zimbra does something very similar by default using the postfix configuration.

    All incoming mail is redirected to amavis, spam scored, and scanned for viruses. Amavis then either:
    1) delivers clean mail normally (by connecting to a special local postfix port)
    2) delivers spammy mail with appropriate headers
    3) drops extremely spammy or infected mail

  3. #3
    halcyon is offline New Member
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    Default

    This makes sense. In my case what I desire is something that can be done on a per user basis (opt-in), as opposed to being performed for everyone.

  4. #4
    Bevan Bennett is offline Active Member
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    Default Hmmm

    I don't know how you'd get the config from the user to the server, but I think you could enable opting out of the automatic spam and virus filtering by adding the users to amavis' spam-lovers and virus-lovers lists.

  5. #5
    halcyon is offline New Member
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    Quote Originally Posted by Bevan Bennett View Post
    I don't know how you'd get the config from the user to the server, but I think you could enable opting out of the automatic spam and virus filtering by adding the users to amavis' spam-lovers and virus-lovers lists.
    I see where your going with this, I would ideally like to take the other approach where instead of being on by default, this is off by default. So someone interested in this type of filtering would forward their mail out, and then it would be forwarded back in on a specific address extension for that addreess triggering local delivery.

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