Error 550 5.1.1 Outlok email

  Nonagon 13 Nov 11

I setup outlook 2003 on a new laptop and can receive mesaages and receive test to myself but if I try to send mail to another address e.g. work or friends I get the above error:

Your message did not reach some or all of the intended recipients.

  Subject:  RE: 
  Sent: 13/11/2011 21:19

The following recipient(s) could not be reached:

  'XXXXX XXXXXXX' on 13/11/2011 21:19
        550 5.1.1 Relaying denied to domain

any ideas how to resolve this? Ta

  Woolwell 13 Nov 11

Check your smtp settings which should be for your isp.

  Nonagon 13 Nov 11

I don't know how to do that :---(((

  Forum Editor 13 Nov 11

Relaying is when you send an email via an smtp (outbound) mail server other than the one which belongs to your ISP.

For instance.....

suppose my ISP is called

the smtp mail server might be:-

However, I have a mailbox on my own domain name, which is:- and I have configured Outlook to send all my outbound mail via the smtp server called even though I'm connected to

the mailserver might see my mail as spam,and think that I'm trying to relay messages through it to hide the point of origin, so it rejects the mail and bounces it back to me with a relaying error message.

Check your Outlook account settings and make sure that your outbound (smtp) server is set to that of your ISP.

  northumbria61 14 Nov 11

Checking your smtp settings - enter link description here scroll down to find your email accounts settings page and check your outgoing mail server.

  northumbria61 14 Nov 11

Note - as per FE instructions - make sure it is set to that given to you by your ISP.


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