eSAV is an email sender address verification console utility for Linux/FreeBSD. It opens an SMTP connection to the sender's mail server and emulates an error return message to the sender without actua... More

eSAV is an email sender address verification console utility for Linux/FreeBSD. It opens an SMTP connection to the sender's mail server and emulates an error return message to the sender without actually completing the transaction. It's an easy way to check if an email address is alive.  [edit]  Less