I'm having a ramdom problem with sending emails out to people using exchnage server 2003 (sbs 2003) I resently registered a new domain for the company and have set this all up in exchange accordingly. I did have to also register the domain with BT as we are using their SMTP servers. After being on hold for 20 mins the domain is registered correctly no typo's and have gone through the server settings to see if there is any mistakes there. Which there are none as far as I can see.
The problem is a ramdom email issue with outbound emails some times the emails will send othered the emails will bounce back again. The message below is the reply.
Your message did not reach some or all of the intended recipients.
Sent: 27/09/2011 14:31
The following recipient(s) could not be reached:
firstname.lastname@example.org on 27/09/2011 14:31
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<domain.co.uk #5.5.0 smtp;550 Not permitted >
Please have a read of my article and check your server / Reverse DNS settings and everything else mantioned:
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