I thought you were using a mail client and not a webmail (gmail) system, because you stated about not changing the smtp settings, but still...
Still, at least you're replying to us what's happening, most people come to support boards and never come back after posting their question.
I don't use gmail (I use gmx.co.uk, like most spambots tend to) so I can't really be of much use here
Intel Mobile Intel 4 Series Express Chipset Family
Sound Card
Conexant 20561 SmartAudio HD
Monitor(s) Displays
15 inch
Screen Resolution
1280 x 800
Hard Drives
1x 180GB Intel 530 series SSD
1 x 120GB Hitachi 5400rmp
1 x 650GB Western Digital Elements 5400rpm
1x 1Tb Western Digital Elements 5400rpm
Internet Speed
Medium for New Zealand
Other Info
Weakest part of my computer is the graphics chipset.
Only ever used a laptop.
Also use USB Freeview TV Card
Lenovo Docking Station
External Speakers
Other bits a pieces as needed