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error 550 administrative prohibition

Printed From: LogSat Software
Category: Spam Filter ISP
Forum Name: Spam Filter ISP Support
Forum Description: General support for Spam Filter ISP
URL: https://www.logsat.com/spamfilter/forums/forum_posts.asp?TID=6501
Printed Date: 15 March 2025 at 2:38am


Topic: error 550 administrative prohibition
Posted By: ed.kalk
Subject: error 550 administrative prohibition
Date Posted: 18 June 2008 at 12:20pm
Hello,
 
I'm new at this and just installed the EVAL version about 2 hours ago. I have the SPAM filter ISP server all setup and was trying to telnet a test e-mail to SPAM filter ISP. I was able to send the e-mail to spam filter isp, but spam filter isp was not able to send the e-mail to my mail server for delivery. SPAM filter got error 550 administrative prohibition. I saw this in the activity log on spam filter ISP.
 
to further test, I tried to telnet directly to my server and got the same error.
when sending mail to the same e-mail account via my outlook client, it works. (outgoing mail server is our mail server, which requires auth)
when sending to the same e-mail account via another mail account of mine it works. (another domain with an exchange server)
 
Why can I send mail from other mail servers, but not telnet directly to my mail server?
why can't SPAM filter ISP send mail to my mail server?
 
please help


Replies:
Posted By: Desperado
Date Posted: 18 June 2008 at 2:37pm
ed.kalk,
 
Does your mail server have a list of "allowed Relay hosts"?   Also, can I assume you are telneting on port 25 and that the mail server is on a separate machine from SpamFilter?


-------------
The Desperado
Dan Seligmann.
Work: http://www.mags.net
Personal: http://www.desperado.com

Posted By: ed.kalk
Date Posted: 18 June 2008 at 3:37pm
Thanks for the reply, I think it was that. I added the Static IP of the SPAM filter ISP server to the alwaysrelay file in cpanel's /etc directory. It is working now. I also had to add the recipient domain to cpanel's /etc/localdomains file because it was missing for some reason.... First time i saw that...


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