Phishing emails cause MailScanner to loop infinitely

[Anthony Peacock]

Hi,

I have just had to back out of MS 4.53.7 to MS 4.52.2, because the MS 
processes got stuck in a loop when they found a phishing email.

I am running on Solaris 8 x86.

After the upgrade all worked well for a while, and then I noticed that 
the incoming queue was getting backed up.  When I looked at the logs it 
appeared that the MS processes were looping around finding a phishing email.

I have attached a text file with the relevant log lines for one of the 
processes.  In reality there were many MS processes stuck in these loops 
for different phishing sites.

I have saved some of the queue files that caused this and once things 
have settled down may be able to test this in DEBUG mode.

Backup off to MS 4.52.2 caused all of the queue to be processed 
successfully.

-- 
Anthony Peacock
CHIME, Royal Free & University College Medical School
WWW:    http://www.chime.ucl.ac.uk/~rmhiajp/
"The most exciting phrase to hear in science, the one that heralds new 
discoveries, is not 'Eureka!' but 'That's funny....'" -- Isaac Asimov