Relaying not allowed - please use SMTP AUTH

  ol blueeyes 14:05 22 Dec 2009

Never had or seen this before this only happens when replying to one E:Mail address using the reply button
The reply is returned to me via Administrator saying undeliverable saying ""Relaying not allowed - please use SMTP AUTH""
I'm using Windows 7 Pro Microsoft Office Outlook Pro 3
Any help please ?

  Woolwell 14:23 22 Dec 2009

Are you connecting through your normal ISP smtp connections?

  ol blueeyes 14:26 22 Dec 2009

Yes everything as it has been since I installed W7 few weeks ago. Until this morning everything as normal then this suddenly occured.

  Woolwell 14:42 22 Dec 2009

Guess it is a problem with that e-mail address and not a problem at your end. Have you tried changing the e-mail account settings to use authentication for smtp?

  ol blueeyes 14:44 22 Dec 2009

Yep done that but to no avail. Anyway thanks for your help.

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