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Postfix not sending email
https://forum.linode.com/viewtopic.php?f=11&t=3027
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Author:  webc0der [ Tue Jan 08, 2008 11:56 pm ]
Post subject:  Postfix not sending email

I have postfix set up on my linode, and in windows outlook, I have it set up to use my email addess, I can recieve email find, and I can send email to other users on my linode, but I can not send email out to the internet.

I opened /var/logs/mailog and I see this

Quote:
Jan 8 22:55:22 li20-14 postfix/smtpd[2523]: connect from 253-94.202-68.tampabay.res.rr.com[68.202.94.253]
Jan 8 22:55:23 li20-14 postfix/smtpd[2523]: NOQUEUE: reject: RCPT from 253-94.202-68.tampabay.res.rr.com
[68.202.94.253]: 554 5.7.1 <webcoder@cfl.rr.com>: Relay access denied; from=<juston.griggs@xalaris.net>
to=<webcoder@cfl.rr.com> proto=ESMTP helo=<xalaris2859572>
Jan 8 22:55:25 li20-14 postfix/smtpd[2523]: disconnect from 253-94.202-68.tampabay.res.rr.com[68.202.94.253]


When I had my old managed server, I worked fine, so I must not have something setup right can anyone help?

Thanks

Author:  irgeek [ Wed Jan 09, 2008 4:13 am ]
Post subject: 

You need to set up a mechanism so that Outlook can authenticate to your SMTP server. Also, since you'll then be sending passwords across the wire you'll want to set up TLS. Check out these documents:

http://www.postfix.org/SASL_README.html
http://www.postfix.org/TLS_README.html

Author:  quad3d@work [ Wed Jan 23, 2008 1:31 am ]
Post subject: 

Here is an example SMTP-AUTH with MySQL as backend and authenticate with SASL+PAM(SSL)=>MySQL.

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