On Jun 24, 2006, at 1:52 PM, Ingrid Walker wrote:

> One of my subscribers has contacted me to say that he is no longer  
> receiving list messages. I have checked is his subscription and  
> everything is as it should be. His email address is a school based  
> one and his network administrator contacted me to say that list  
> mail was being filtered out by their spam filter (McAfee). They say  
> they are not able to control this since Listserv continually  
> changes its IP address. Is this correct?
>
> To be truthful I not very familiar with spam filters. I wondered if  
> anyone had experienced a similar problem with one of their lists or  
> could offer any advice.

No. You may be dealing with some lazy systems administrators. If all  
else fails, suggest to that subscriber that they either change to a  
different ISP or use an email address on a free service such as  
hotmail or yahoo.