Re: mailserver absolute noob question

From: Thomas (thomasnawrath_at_alice-dsl.de)
Date: 11/02/05

  • Next message: Antonio Rodriguez: "Re: emacs settings in sid gnome 2-10" 
    Date: Wed, 02 Nov 2005 21:37:10 +0100
To: Debian Users <debian-user@lists.debian.org>

    Mitch Wiedemann wrote:

    >Thomas wrote:
    >
    >
    >
    >>Hi there.
    >>
    >>I would like to setup a mailserver on my debian machine that can
    >>receive email from any host and that can be accessed by imap or pop3
    >>(imap would be nice). I have seen some howtos on the net but they
    >>seemed way too complicated. The howtos i saw included spamfilters,
    >>anitivr software and page after page of config file hacking.
    >>
    >>What i am really looking for is a simple mailserver that i can install
    >>by apt-get something and then configure by a gui/web interface (if
    >>necessary at all). Then connect to it with my thunderbird and lets go.
    >>
    >>So far, exim4 was installed on my sarge by default, although i dont
    >>know what that means.
    >>If i startup mutt with any user, it says 'no mailbox'.
    >>This didnt ever disturb me, but now i should think of what that means...
    >>
    >>Thanks for hints,
    >>
    >>Thomas
    >>
    >>
    >>
    >>
    >
    >I wrote the following howto:
    >http://ithacafreesoftware.org/Members/mitch/notebook/debian/mailserver
    >
    >It includes a very basic setup of Postfix (SMTP), Dovecot (pop and
    >Imap), and Squirrelmail (Web e-mail).
    >
    >Good luck.
    >
    >
    >
    Hi Mitch,
    your howto was helpful, still there is a problem left.

    I can receive mail from the internet.
    I can send and receive mail from and to local users.
    I can NOT send mail to other hosts on the internet.

    Here my /etc/postfix/main.cf:

    smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
    biff = no

    # appending .domain is the MUA's job.
    append_dot_mydomain = no

    # Uncomment the next line to generate "delayed mail" warnings
    #delay_warning_time = 4h

    myhostname = ares.dyndns.biz
    mydomain = dyndns.biz
    alias_maps = hash:/etc/aliases
    alias_database = hash:/etc/aliases
    myorigin = /etc/mailname
    mydestination = $myhostname, localhost.$mydomain, $mydomain, ares.dyndns.biz
    #relayhost =
    mynetworks = 127.0.0.0/8
    mailbox_command = procmail -a "$EXTENSION"
    mailbox_size_limit = 0
    recipient_delimiter = +
    inet_interfaces = all
    net_interfaces = all

    I do login as local username@ares.dyndns.biz via imap.
    If i want to send mail to a username@gmx.net or similar i get the
    message from the email client:
    "An error occurred while sending mail. The mail server responded:
    <username@gmx.net>: Relay access denied. Please verify that your email
    ddress is correct in your Mail preferences and try again.". Well, of
    course, the email address in my preferences is username@ares.dyndns.biz
    which should be correct.

    What is problem here? Does the mailserver @gmx refuse my mail because
    the domain is dyndns.biz, which is not to be trusted?
    Is there a problem with my config?
    I dont know.

    By the way i dint understand step 4 in the Howto:

    4. Add a valid root alias to /etc/postfix/aliases

    There is no /etc/postfix/aliases on my sarge nor do i know what a valid
    root alias is.
    Well, i dont think this is the problem why i cant send out email, is it?

    Thank you,

    Thomas 

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