cpyr Copyright (c) 1983 Eric P. Allman
cpyr Copyright (c) 1988, 1993
cpyr The Regents of the University of California. All rights reserved.
cpyr @(#)sendmail.hf 8.2 (Berkeley) %G%
smtp HELO EHLO MAIL RCPT DATA
smtp RSET NOOP QUIT HELP VRFY
smtp For more info use "HELP <topic>".
smtp To report bugs in the implementation send email to
smtp sendmail@CS.Berkeley.EDU.
smtp For local information send email to Postmaster at your site.
help The HELP command gives help info.
ehlo Introduce yourself, and request extended SMTP mode.
mail Specifies the sender.
rcpt RCPT TO: <recipient>
rcpt Specifies the recipient. Can be used any number of times.
data Following text is collected as the message.
data End with a single dot.
quit Exit sendmail (SMTP).
verb Go into verbose mode. This sends 0xy responses that are
verb are not RFC821 standard (but should be) They are recognized
verb by humans and other sendmail implementations.
vrfy Verify an address. If you want to see what it aliases
vrfy to, use EXPN instead.
expn Expand an address. If the address indicates a mailing
expn list, return the contents of that list.
send replaces the MAIL command, and can be used to send
send directly to a users terminal. Not supported in this
soml Send or mail. If the user is logged in, send directly,
soml otherwise mail. Not supported in this implementation.
saml Send and mail. Send directly to the user's terminal,
saml and also mail a letter. Not supported in this
turn Reverses the direction of the connection. Not currently