We have users from /etc/passwd Checking if any of them have mailbox
$ telnet 10.10.10.7 25 Trying 10.10.10.7... Connected to 10.10.10.7. Escape character is '^]'. 220 beep.localdomain ESMTP Postfix HELLO 502 5.5.2 Error: command not recognized HELO 501 Syntax: HELO hostname RSET 250 2.0.0 Ok HELO 501 Syntax: HELO hostname VRFY root 252 2.0.0 root VRFY cyrus 252 2.0.0 cyrus
Last updated 3 years ago