Thanks for the replies.
The problem I encountered was that the user had changed his ISP provider
but is still using his old email address. So that an e-mail apparently
from tiscali.co.uk is coming from a bt.com server. Truly an SPF failure
and entirely beyond my control.
I can indeed find out the mail servers which are being used to send
northumbrianpipers.org.uk e-mails and add them to my SPF records. That
was what I had thought of doing, but I wondered if there was a simpler way.
I conclude that there is a real difficulty on the horizon as SPF rolls
out. Until now, I for one haven't really cared which smtp server I used
for outgoing mail. With multiple e-mail accounts, I have simply used the
smtp server over which I have most control. I now find that both the
e-mail programs I use, Thunderbird and Pegasus now change their SMTP
settings with identity and I am just trying to get a working outlook
express to see how that works (sigh!)
Thanks a lot
Barry
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