HI,
In the Mail app go to the App menu > Preferences > Accounts
Highlight the Google one.
Click on the Outgoing server tab (Brings up menu)
Click on Edit STMP Server list.
Add Google's STMP Server.
In the Account info tab it should read
A Description (Mine reads Google Out)
Server name of stmp.gmail.com
It should read in the Advanced tab
Use SSL
Use Password
Your Google "Username"
Starred out password
Using Default ports of 25, 465, 587
If there are more then one server in the list then make sure the Google account is pointing to the Google Outgoing server.
10:23 PM Friday; December 14, 2012
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
iMac 2.5Ghz 5i 2011 (Mountain Lion 10.8.2)
G4/1GhzDual MDD (Leopard 10.5.8)
MacBookPro 2Gb (Snow Leopard 10.6.8)
Mac OS X (10.6.8),
Couple of iPhones and an iPad
"Limit the Logs to the Bits above Binary Images." No, Seriously