Re: Deliver mail using my ISP server


Deliver mail using my ISP server
\ Juan Asensio Sánchez (15 May 2007)
. \ Noel Jones (15 May 2007)

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Subject:	Re: Deliver mail using my ISP server
Group:	Postfix-users
From:	Noel Jones
Date:	15 May 2007

At 02:12 PM 5/15/2007, Juan Asensio Sánchez wrote:
>Hi
>
>I am trying to use Postfix in my local network, but whenm i try to
>send a mail to an user of a domain not managed by postfix, y get
>some errors like this (from gmail):
>
>===========================
>
>May 15 21:41:38 fc6 postfix/smtp[2736]: 7CD3AD6CC4:
>to=<<mailto:wewewewewe>,
>relay=gmail-smtp-in.l.go
>ogle.com[<http://66.249.93.114>66.249.93.114]:25, delay= 2.7,
>delays=0.03/0.03/0.25/2.4, dsn=5.7.1, status=bounced (host g
>mail-smtp-in.l.google.com[<http://66.249.93.114>66.249.93.114] said:
>550-5.7.1 [myip] Our system has detected an
> unusual amount of unsolicited 550-5.7.1 mail originating from your
> IP address. To protect our 550-
>5.7.1 users from spam, mail sent from your IP address has been
>550-5.7.1 rejected. Please visit 550
>-5.7.1
><http://www.google.com/mail/help/bulk_mail.html>http://www.google.com/ mail/help/bulk_mail.html
>to review 550 5.7.1 our Bulk Email Senders Gu
>idelines. c1si13360171ugf (in reply to end of DATA command))
>
>============================
>
>So i think (my knowledge is very small) that my domain (
><http://bytelecom.org>bytelecom.org) that is not registered and i
>use only for tests, gmail can not trust it and denies the message.
>So i want all my emails be sent using my ISP mail server, who
>requires authentication. I have no idea this can be done. I have
>some searches but i have not found any conclusion. Could you help me
>(again). Thanks in advance.

[when posting from gmail, please click the "plain text" button]

Never send mail outside your domain using an unregistered sender domain.

Here is the documentation for turning on authentication for outgoing mail.
http://www.postfix.org/SASL_README.html#client_sasl
You'll also need to set relayhost=[isp.mail.server] (including the brackets).
http://www.postfix.org/postconf.5.html#relayhost

I also strongly suggest purchasing "The Book of Postfix" by Ralf
Hildebrandt and Patrick Koetter from your favorite bookstore.

--
Noel Jones