G Guest Mar 6, 2004 #1 WHEN I TRY TO SEND EMAIL TO A CLIENT IT COMES BACK WITH A MESSAGE 550 HOST UNKNOWN. WHEN I SEND IT IN A DIFFERENT PROGRAM IT GOES THROUGH, I.E. EXPRESS OR WEB MAIL. JUST NOT IN OUTLOOK
WHEN I TRY TO SEND EMAIL TO A CLIENT IT COMES BACK WITH A MESSAGE 550 HOST UNKNOWN. WHEN I SEND IT IN A DIFFERENT PROGRAM IT GOES THROUGH, I.E. EXPRESS OR WEB MAIL. JUST NOT IN OUTLOOK
L Lanwench [MVP - Exchange] Mar 7, 2004 #2 First, please don't type in all caps - it's difficult to read and is considered "shouting". That said, have you verified that your SMTP (outgoing server) settings in Outlook are *identical* to that in Outlook Express?
First, please don't type in all caps - it's difficult to read and is considered "shouting". That said, have you verified that your SMTP (outgoing server) settings in Outlook are *identical* to that in Outlook Express?
