====== Диагностика SMTP ======
telnet client:
<code>
telnet example.com 25
ehlo example.com
mail from: username@example.com
rcpt to: friend@hotmail.com, friend2@yahoo.com
data
From: username@example.com
To: friend@hotmail.com
To: friend2@yahoo.com
Subject: My Telnet Test Email

Hello!
.
quit
</code>


{{tag> smtp telnet}}