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Mac Mail Outgoing SMTP Settings for Exchange account

I can't seem to get my Mac Mail client outgoing smtp settings correct. I am receiving fine but cannot send. My companies IT person does not have any Mac experience and has asked that I use webmail. Please help.

Dual 2 GHz PowerPC G5, Mac OS X (10.4.11)

Posted on May 28, 2010 3:58 PM

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5 replies

May 28, 2010 5:37 PM in response to hegd

Hi hegd, and a warm welcome to the forums! 🙂

Seems the IT person could tell you what port & what kind of Authentication is required!?

The receiving email ports are:

IMAP is port 143
IMAP-SSL is port 993
POP is port 110
POP-SSL is port 995

SMTP and SMTP-SSL is on ports 25, 587 and 465. Port 587 has to be SSL, and port 465 is enforced TLS-wrapped and is generally used by Outlook users.

Jun 4, 2010 8:56 AM in response to BDAqua

Thank you sooo much for getting back to me. I am back to trying to figure this out.

I have tried to set it up with the mentioned settings without success.

I think the problem is with the Outgoing Mail Server address that was given to me by the IT person - "webmail.outdoordimensions.com".

Typically, when setting accounts up, I have used an address respective to the web access provider - i.e. "smtp.att.yahoo.com". However, this "Exchange" account is something very new to me.

Thanks again for your help. Also what is "TLS-wrapped"? I didn't find a setting option for this.

Jun 4, 2010 11:38 AM in response to hegd

"webmail.outdoordimensions.com".


AHA! I'm pretty sure no Mail app can be used, that's for use in a Browser, might see if they have something like these...

"smtp.outdoordimensions.com".

"mail.outdoordimensions.com".

Also what is "TLS-wrapped"?


It's automatic if you use port 465 going out, which is moot since they only gave you a webmail addy.

Jun 7, 2010 3:57 PM in response to BDAqua

I didn't like it but i finally had to load entourage and as I was setting up an "Exchange" account, at no point did the setup ask for an SMTP. So then why does the mac mail client ask for a SMTP?

Come to think of it, my iphone didn't ask for it either. Strange.

I love mac's, always have and probably always will, but I really don't understand this difference.

Mac Mail Outgoing SMTP Settings for Exchange account

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