[Sderby] Networking

[James Gibbon]

David Bottrill wrote:

> > Frankly - I don't see how (eg) virgin could possibly stop me
> > from sending mail with a virgin.net address in the From: header
> > from any ISP.  I haven't used any of virgin's mailservers to
> > send this mail.
> >
> > They COULD however in theory prevent me from READING virgin.net
> > mail as I have to explicitly poll one of their mailservers
> > for that, so I think you may have it the wrong way round ..
> 
> James,
> 
> They stop you sending email though their SMTP servers to prevent
> spammers relaying through their servers, I think this is probably based
> on IP address. Most ISPs SMTP servers will not check the reply address
> if your IP address is from their dial-up range of addresses, outside of
> that most will probably block unless you email address matches their
> domain.
> 

Yes - but as I pointed out, I don't need to use their SMTP servers to
send mail with an outgoing virgin.net address, and indeed I don't.

> Some ISPs like FreenetName for example stop you from doing anything
> unless you have dialled up with them i.e. POP3 and FTP access to your
> webspace. 

Do they?  Well, as I already remarked in my previous mail, this is quite
possible.

Cheers,
James