Email not working

[Big Kahuna]

Confirmation emails aren't going out on the MoparStyle site, and I can't figure out why

I've tried all of the following without success:

• Tried the -f setting
• Tried adjusting every combination of the mail settings with batch, batch size, cron, delay between messages etc. (even though they're technically not suppose to affect the confirmation emails going out immediately). When I use diagnostics to send an email to my gmail account, it says it passes - but no email in my in box, spam box or trash
• I tried using SMTP with a pop3 email account I've created in my Cpanel. Every diagnostic test fails - even tried all three secured connection settings
• I updated the php on the hosting account to the most current version, no change
• I found Vbulletin instructions on using gmail for SMTP, create a throw down gmail account, created a two step log in, add an Other app for Vbulletin; and set up the Forim's SMTP exactly like the instructions say http://www.vbulletin.com/forum/blogs...-gmail-account but I get an diagnostic message that Gmail refused. I verified I have the app, revoked it, recreated it, and tried again with the same results.

I'm at a complete loss at what I'm doing wrong. It is fifteen hours later and still haven't received any emails, so I doubt it is a delay issue. If I can make the Gmail thing work, that might be the best way as I have Go Daddy hosting (prepaid for three years) and don't want to touch the limited resources threshold.