Re: [SLE] Seeking help with mail-server setup

From: Ulf Rasch (u.rasch_at_seppelec.com)
Date: 08/29/05

  • Next message: Sandy Drobic: "Re: [SLE] Seeking help with mail-server setup" 
    Date: Mon, 29 Aug 2005 18:31:50 +0200
To: suse-linux-e@suse.com

    Hi Kevin,

    In general, YAST may help you in configuring your system but not in
    understanding how things work.
    Have a look at the programs and their documentation involved instead!!!
    In your case
    fetchmail
    IMAP (cyrus, etc.)
    postfix ( if needed at all )

    > So, if I'm understanding this, fetchmail grabs from ISP POP
    > and drops at some standard place (or a configured place?),
    Have a look at the Documentation of fetchmail
    http://www.catb.org/~esr/fetchmail/fetchmail-man.html#2

    > postfix grabs what fetchmail brought and feeds it to IMAP
    You can tell fetchmail to deliver directly to IMAP
    http://www.catb.org/~esr/fetchmail/fetchmail-man.html#2
    That way you wouldn't need postfix for inbound mail.

    Postfix should accept (if configured) the mail handed from fetchmail on
    localhost port 25 and deliver (if configured) to imap.

    > Eek! So... if postfix is so important to the whole process
    > -- you seem to have said it takes inbound from fetchmail and
    > outbound from CyrusIMAP -- then it doesn't even use its own
    > nifty directory structure? Yup, this stuff is simple and
    > straightforward all right. <g>
    Cyrus IMAP is not involved in _outbound_ mail. Outbound mail is send
    from your email program (KMail, Thunderbird, etc.) when you press the
    send button.
    It hands it (depending how you have configured your email program) to
    postfix which should send it then to its next mailhop ( very likely your
    ISP ).
    Better may be not to involve postfix and let your email program send
    mail directly to your ISP.
    That way you have to set up on program less.

    I am not trying to say you shouldn't use postfix. My experience is, best
    to keep things simple. The fewer programs involved the better.

    Mail transport / delivery is a world of its own. If you want to learn
    more about postfix have a look at the excelent docu at www.postfix.org.

    Ulf 

    -- 
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  • Next message: Sandy Drobic: "Re: [SLE] Seeking help with mail-server setup"