Hi Clive,
Regarding being able to send emails through talktalk's SMTP server from
a non-talktalk IP address, e.g. abroad, you're not the first person to
want to know.
http://www.talktalkmembers.com/forums/showthread.php?t=7616
He doesn't get a straight answer unfortunately and I've been unable to
find one either. You could contact talktalk direct to find out; I
couldn't register on those forums as they want phone and account numbers
else I'd ask on
http://www.talktalkmembers.com/forums/forumdisplay.php?f=98
Anything Else
This section of the support forum is for any other support related
question you may have that doesn't fit into one of the above
sections such as email and webspace issues.
You're after
http://en.wikipedia.org/wiki/SMTP_Authentication
Anyone else on the list know about talktalk?
You could attempt to query talktalk's SMTP server to see if it says it
supports it. After installing package `netcat', something like
printf 'ehlo example.com\nquit\n' | nc -i 2 smtp.talktalk.net 25
Example output for a non-TT one. It's the 250 lines that are
interesting.
$ printf 'ehlo example.com\nquit\n' | nc -i 2 relay.pair.com 2525
220 relay02.pair.com ESMTP
250-relay02.pair.com
250-PIPELINING
250 8BITMIME
221 relay02.pair.com
$
Cheers,
Ralph.
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