Re: Blocking email through the web services

["Martin Peikert" <Martin.Peikert () discon de>]

seadog () jb ro wrote:
> Is there a common port I can block that will prevent users from 
> downloading email from webmail services such as aol, hotmail or msn, used 
> by all - without blocking www service in general?

Try port 110 (pop3), 995 (pop3-ssl) and maybe 220 (imap3) and 993 
(imap3-ssl), too.

GTi

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