Advanced CheckSum Verifier
Checksum calculation and verification tool
Checksum calculation and verification tool
E-mail checking tool
1st Email Address Verifier verifies e-mail.
files intergrity checker for Windows
Checks for Invalid & Dead email addresses
clean up your mailing list
Email Verifier - verify email address
Professional Mailing Lists Validation Tool
Calculate MD5, SHA-1 and other file checksums
Free Mail List Validator