This tool is designed to test whether the e-mail address exist really. When there are mass unreal mail boxes in the mail box list, you have wasted sending amount and increased the mail withdrawal amount.
MalwareBytes
Removes even the most stubborn malware.
Spam Bully
Spam Bully can eliminate up to 99% of spam.
AVG Anti-Virus
Well-known free antivirus protection software.
WinZip
WinZip is the world's #1 zip utility.
Download Manager
Free download manager & internet accelerator.