telnet 192.168.0.6:25 'this responds with the mail server infor helo my.domain.com 'sends request to mail server mail from: <user@domain.com> ' you need this so their is a sender should reply ok rcpt to: <reciever@theirdomain.com> ' this will check for a valid mailbox on that domain
For example...
220 nt.massmind.org ESMTP server (Post.Office v3.5.3 release 223 ID# 0-0U10L2S100V35) ready Tue, 11 Sep 2001 12:22:27 -0700 HELO nt.massmind.org 250 nt.massmind.org MAIL FROM:<james@massmind.org> 250 Sender <james@massmind.org> Ok rcpt to:<stacey@efplus.com> 550 Invalid recipient <stacey@efplus.com> rcpt to:<sw@efplus.com> 250 Recipient <sw@efplus.com> Ok
See also:
file: /Techref/inet/smtpvalidate.htm, 1KB, , updated: 2012/11/16 13:26, local time: 2024/8/14 13:35,
18.219.91.251:LOG IN
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