544 Server Relay Error

[Neil M]

I have a website and domain that I use for several email accounts. I have
been using Outlook Express 6.0 for several years to access my email using the
server addresses as follows:
POP3 = pop3.mydomain.com
SMTP = mail.mydomain.com

I have never had a problem. I recently purchased Office Enterprise and
wanted to start using Outlook 2007 for email and its many functions. I
configured it last night using the same settings as Outlook Express, but when
I tried to send an email I got an error 544 server relay error.

As I understand or have been told, I have to use my ISP outgoing mail server
(SMTP address) to send, but use my domain POP3 address.

Can anyone confirm if this is true and, if so, why it will work in Outlook
Express and not Outlook?

Thanks Much,

Neil M

 

[F.H. Muffman]

I have a website and domain that I use for several email accounts. I have
been using Outlook Express 6.0 for several years to access my email using
the
server addresses as follows:
POP3 = pop3.mydomain.com
SMTP = mail.mydomain.com

I have never had a problem. I recently purchased Office Enterprise and
wanted to start using Outlook 2007 for email and its many functions. I
configured it last night using the same settings as Outlook Express, but
when
I tried to send an email I got an error 544 server relay error.

As I understand or have been told, I have to use my ISP outgoing mail
server
(SMTP address) to send, but use my domain POP3 address.

Can anyone confirm if this is true and, if so, why it will work in Outlook
Express and not Outlook?

The only people who could really confirm that to be true would be your ISP,
but, if the server names work in OE, they'll work in Outlook.

As for how to fix this, I would dig through the profile settings and on the
properties of the account, on Outgoing server, check the box that says 'My
outgoing server (SMTP) requires authentication' and select 'Log on to
incoming mail server before sending mail'.

More explicitly, assuming 2k7 doesn't change much in control panel - Control
Panel - Mail - Show Profiles - select profile and Properties - E-mail
Accounts... - View or Change existing email settings - Next - select the POP
account and Change - More Settings - Outgoing Server and do the settings I
mentioned above.