A simple command line tool for validating emails by using SMTP protocol to check an email exist or not. you can specify input and output files. warnings and errors will appear in stdErr.
Usage of ./emailValidator:
-i string
The name of input file that contains the emails you want to validate (default "input.txt")
-o string
The name of output file that want to see result (default "output.txt")
Ali Ahmadi (2024)