Re: Postfix problems

From: Bill Unruh (unruh_at_string.physics.ubc.ca)
Date: 01/22/04 

Date: Thu, 22 Jan 2004 00:52:07 +0000 (UTC)

Ernest <leucoplast@seanet.NOSPAM.com> writes:

]I'm using Suse 9.0, and I have not changed the default host name settings.
]I'm running a web content management system (drupal) that uses Postfix to
]send auto responses, but the mail keeps coming back to me as undeliverable.

]Here are samples.

]... host gateway-r.comcast.net[204.127.198.26] said: 550
] [PERMFAIL] comcast.net requires valid sender (in reply to RCPT TO
]command)

]<name@domain.com>: host dmail.seanet.com[199.181.164.17] said: 553 5.1.8
] <name@domain.com>... Domain of sender address wwwrun@linux.local
] does not exist (in reply to RCPT TO command)

]How should Postfix be configured, if I haven't changed the host name
]defaults? I've been trying to make the changes via MTA settings in Yast but
]I can't figure out how to make it work. I won't have a the new web domain
]name for about another month but I would like to be able to test the site
]before that.

So change the hostname! Why would you use linux.local as your hostname?

But otherwise use the
mydomain=your.true.domain.com
masquerade_domains = $mydomain
masquerade_exceptions = root
in /etc/postfix/main.cf
where you obviously change the mydomain

This will change all outgoing email address to
name@your.true.domain.com
except for root.

]Here are my ISP mail server names. However, I don't want my personal name to
]be on the auto response mail, if I can avoid it.

Well, the far side is asking for a valid return address on the mail you
send them. Either dump the autoresponse mail (isn't it all spam) or put
in a valid address.

]smtp.comcast.net
]mail.comcast.net

]thanks

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