Gmail

What is a "thread?" I just want to be able to block unwanted emails from my gmail account.

The Android version of Gmail, unlike the Windows version, doesn`t seem to have a way to select a range of messages according to their date, and then delete them or send them to your trash bin. Is there actually a way to do this that I`m missing, or do I just have to put up with a huge amount of...

can any one help me with following error From: MAILER-DAEMON@XXX.XXX.com.XX (Mail Delivery System) To: XXX@XXX.com.XX This is the mail system at host mail.*******.com.**. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached...