post - deliver a message
/usr/lib/mh/post [options] file
Specifies a file that post should take aliases from. More
than one file can be specified, each being preceded with
the -alias option. The post program automatically consults
the system alias file, /usr/lib/mh/MailAliases. If there
is an Aliasfile entry in your post also consults the file
named in that entry. Filters (re-formats) messages sent
to blind copy recipients. Recipients named in the Bcc:
field normally receive a new message which includes a copy
of the message sent to the other recipients. If this
option is specified, this copy of the message is filtered
according to the instructions in the named file. The
default is -nofilter. Formats messages so as to conform
to ARPAnet Internet Message Format protocol. This is the
default behavior. You can post from formatting messages in
this way by using the -noformat option. Prints a list of
the valid options to this command. Adds a Message-ID: or
Resent-Message-ID: field to the header. Specifies the
mail system over which mail is sent. The only value
allowed is smtp, which is the standard mail system. Additional
values are supported only for use with other mail
systems. Informs the user of each step of the posting/filing
process. Allows the user to watch the transport
system's handling of the message (for example, local
and fast delivery). Specifies the preferred length of the
header components that contain addresses.
The default settings for post are:
-alias /usr/lib/mh/MailAliases
-format
-nomsgid
-mts smtp
-noverbose
-nowatch
-width 72
-nofilter
The program post is called by send(1) to deliver the message
in the named file to local and remote users. In fact,
all of the functions attributed to send on its reference
page are performed by post, with send acting as a relatively
simple pre-processor. Thus, it is post which parses
the various header fields, appends From: and Date: lines,
and interacts with the transport system.
Normally, post would not be called directly by the user.
It searches the To:, cc:, Bcc:, and Resent-xxx: header
lines of the specified message for destination addresses,
checks these addresses for validity, and formats them so
as to conform to ARPAnet Internet Message Format protocol
(unless the -noformat option is set). This will normally
cause @local-site to be appended to each local destination
address, as well as any local return addresses.
If a Bcc: field is encountered, the mail system will use
its addresses for delivery. The Bcc: is removed from the
message sent to original recipients. The copied recipients
will receive an entirely new message with a minimal set of
headers. The mail system includes a copy of the message
sent to the original recipients in the body of the message.
This command consults the environment variable $SIGNATURE
to determine the sender's personal name in constructing
the From: line of the message.
For this version, the -mts option only supports the value
smtp. Additional values are supported for use only with
other mail systems.
The post command does not consult the user's
The system customization file. The program to process
Fcc:s. The program to process Bcc:s. The system alias
file.
Commands: comp(1), mhmail(1), send(1)
Files: mh-alias(4), mh-mail(4), mtstailor(4)
Standard for the Format of ARPA Internet Text Messages
(RFC 822)
post(8)
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