[unisog] sendmail vulnerability / impact

Christopher A Bongaarts cab at tc.umn.edu
Fri Mar 7 20:24:51 GMT 2003


As Phil.Rodrigues at uconn.edu once put it so eloquently:

> What are the issues with blocking outbound port 25 traffic except from 
> "registered" or known mail servers?  I am interested in doing it to help 
> block outbound viral infections that use email to spread (like most of 
> them).
> 
> One concern I heard voiced is that it would impact people's ability to pop 
> their mail from an external server.  Any others?

Laptop users who don't want to have to reconfigure their outgoing SMTP 
server every time they change locations...

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