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Thread: how to reject unencrypted mail

  1. #1
    Join Date
    Apr 2005
    Location
    UK
    Beans
    148
    Distro
    Ubuntu Jaunty Jackalope (testing)

    Question how to reject unencrypted mail

    Please could someone let me know how I can set up a mail server to reject unencrypted emails? I don't mean the connection, I mean the email contents, encrypted by PGP.

    I don't mind what mail server, although I'm currently using the zimbra server packages.

    Thanks.

  2. #2
    Join Date
    May 2008
    Beans
    69

    Re: how to reject unencrypted mail

    I use postfix and have installed all sorts of spam filters, mailing list handlers, and such for it. The configuration is extremely complicated, but it has tons of support for filters from simple, built-in comparisons of regular expressions to mail headers to passing the entire mail to external processes and checking the result. See Postfix Content Inspection for more, or try googling "postfix content filters".

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