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Error #11001

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=3693
Printed Date: 12 December 2025 at 10:15am


Topic: Error #11001
Posted By: Guests
Subject: Error #11001
Date Posted: 04 June 2004 at 3:07pm
Any ideas how I can fix this error?


Replies:
Posted By: Guests
Date Posted: 04 June 2004 at 11:41pm

Error 11001 is the common "Host not found" SMTP error.  This indicates that SpamFilter cannot reach the SMTP server address as currently configured.

Ensure that your Destination Server's name and port listed on the SpamFilter configuration page are correct.  If you have listed the name as a FQDN, try changing it to the IP address of your SMTP server instead and see if that works.

Ensure that you have not unintentionally entered any stray characters immediately following any of the domain names on your "Local Domains" list.

If SpamFilter and your SMTP server are running on separate servers, ensure that you can reach your SMTP server (through the network) from the SpamFilter server.

If the error is still occurring after trying these steps, please post more details about how you have implemented SpamFilter at your location.  Include a few lines of the activity log (munge any real email addresses or public IP addresses) that show where the error is occurring.

Jim (SpamFilter customer)

Posted By: Guests
Date Posted: 07 June 2004 at 7:51am

After I tried your fixes I get the following error on my bounce back messages:

 
Remote host said: 550 Requested action not taken: mailbox unavailable
Giving up on 66.160.121.205.


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