O
onesacre
I keep recieving the following error message from the system administrator
saying '550 5.7.1 Relaying denied. Proper authentication required.' - but
only from particular email addresses. I sent emails to these people recently
and all worked fine. I'm on Outlook 2003, windows XP. Any suggestions?
saying '550 5.7.1 Relaying denied. Proper authentication required.' - but
only from particular email addresses. I sent emails to these people recently
and all worked fine. I'm on Outlook 2003, windows XP. Any suggestions?