Microsoft Outlook Express can not send email
hi,
i have setup a mail server w/ mac osx snow leopard mac mini, and i have setup the smtp and open relay to spesific IP address.
Now everything looks fine for all the users, except for the users that using outlook express, they can retrieve emails, but can not send.
the error message is like this :
The message could not be sent because one of the recipients was rejected by the server. Server Error: 504, Error Number: 0x800CCC79
probably your smtpdhelorestrictions.
In /etc/postfix/main.cf, look for this
smtpdhelorestrictions = _________
If you see this:
smtpdhelorestrictions = rejectinvalid_helohostname rejectnon_fqdn_helohostname
Change it to this:
smtpdhelorestrictions = permit_mynetworks permitsaslauthenticated rejectinvalid_helohostname rejectnon_fqdn_helohostname
Then stop/start mail service.
If that doesn't solve it, please post the unedited output of 'postconf -n' run from Terminal.
Jeff
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