Solved! [ILUG] Followup 3: Naive ADSL/WiFi questions [ cannot send e-mail ]

[John Madden]

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On (05/09/07 20:22), Brian Foster said:
>  the ISP, X, is a (small) operation owned by a much
>  larger ISP, Y.  so with some of searching (mostly
>  en Français), I found the SMTP server for Y, and
>  tried that.  if you are reading this post, it's
>  (still) working ....  yea!
> 
>  I haven't checked (yet), but I don't think Y's an
>  open relay.  OTOH, I've no idea how (or even if?)
>  Y's authenticating?
> 
I suspect it's done on allowing a subnet to relay through the SMTP
server, but disallowing all others. This is a common SMTP configuration
for network-serving SMTP servers.

Stick the SMTP address into http://www.abuse.net/relay.html and see if
it's an open relay!

- -- 
John Madden -- john at jmadden.eu
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