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95% Spam? [message #986] Sun, 02 January 2005 06:31
Dave Camenisch
Messages: 30
Registered: December 2004
Member
Have a look at my daily statistics below. Is that normal???
Only 4.8% of the mails are ok. Since my update to NST2 a few days ago only 5-15% of the mails are passing the filters. Yesterday 49.2% of the mails have been deleted because of 'unexpected client disconnect'...

What are your experiences?

-- Dave

***
Totals:
Messages filtered: 1889 (100.0%)
blocked: 1726 (91.4% of 1889)
passed: 163 (08.6% of 1889)
Messages not filtered: 0 (00.0%)
=====
Total 1889 (100%)

Detailed filtering results:
Accept/deliver 83 (04.4%)
Accept/deliver (skip size exceeded) 8 (00.4%)
Delete (unexpected client disconnect) 930 (49.2%)
Attachment Filter:
Reject/delete 453 (24.0%)
(Messages with MIME violations: 399)
(Number of attachments blocked: 143)
Spam Trap:
Accept/delete 75 (04.0%)
F-Prot Anti Virus:
Reject/delete 21 (01.1%)
SpamAssassin:
Accept/deliver (marked as junk) 72 (03.8%)
Reject/delete 247 (13.1%)
=====
Total 1889 (100%)

Traffic Limiting:
Host/helo connection count exceeded 36
Recipient reject count exceeded 34
***

Re: 95% Spam? [message #987 is a reply to message #986] Sun, 02 January 2005 13:54 Go to previous message
support
Messages: 918
Registered: April 2004
Senior Member
Dave Camenisch wrote:

> Have a look at my daily statistics below. Is that normal???
> Only 4.8% of the mails are ok. Since my update to NST2 a few
> days ago only 5-15% of the mails are passing the filters.
> Yesterday 49.2% of the mails have been deleted because of
> 'unexpected client disconnect'...
>
> What are your experiences?

The high spam percentage is caused by the many client disconnects. To see if there is anything you can do, check the log if these disconnects are caused by one of your servers (a secondary MX trying to relay mail to the primary MX). But this is better discussed in this thread:

http://www.byteplant.com/forum/read.php?f=1&i=320&t=320#reply_320

In the largest of the sites we are maintaining, unexpected disconnects are usually at about 3%, and the spam to ham ratio is about 50 - 50 (the average now is 75% spam to 25% ham). This depends a lot on how "well-known" your mail addresses are.

Usually, the number of spam messages is the same, while ham messages are usually less on weekends or holidays. Because of this the spam percentage is higher on weekends.



Customer Support
Byteplant GmbH
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