Some of my mail is not being sent.Get this message

  BIGBAGGY 10:55 30 Jul 2004
Locked

The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was '[email protected]'. Subject 'Re: back', Account: 'pop3.blueyonder.co.uk', Server: 'smtp.blueyonder.co.uk', Protocol: SMTP, Server Response: '550 5.7.1 Unable to relay for [email protected]', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79

Anyone know what the cause could be? I get it when I press reply.

  BIGBAGGY 11:15 30 Jul 2004

It works if I cut and paste the address in a new message but if I just press reply then its not sent.

  BIGBAGGY 12:15 30 Jul 2004

ANY IDEAS ANYONE? i WOULD LIKE TO SORT THIS IF POS.

  t-stag 15:21 30 Jul 2004

The key word here is 'relay'. You are probably trying to send email from an account that is not the same as your current ISP. For instance AOL would reject a send command for a Tiscali account address.

  BIGBAGGY 16:12 30 Jul 2004

but its not happening with all my mail just a couple of addresses.

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