-.TH POST %manext8% "July 8, 2014" "%nmhversion%"
+.TH POST %manext8% "October 17, 2016" "%nmhversion%"
.\"
.\" %nmhwarning%
.\"
.HP 5
.na
.B %nmhlibexecdir%/post
+.RB [ \-help ]
+.RB [ \-version ]
.RB [ \-alias
.IR aliasfile ]
.RB [ \-filter
.IR portname/number ]
.RB [ \-sasl ]
.RB [ \-nosasl ]
-.RB [ \-saslmaxssf
-.IR ssf ]
.RB [ \-saslmech
.IR mechanism ]
.RB [ \-user
.RB [ \-initialtls ]
.RB [ \-notls ]
.I file
-.RB [ \-version ]
-.RB [ \-help ]
.ad
.SH DESCRIPTION
-.B Post
+.B post
is the default program called by
.B send
to deliver
.B post
which parses the various header fields, appends a
\*(lqDate:\*(rq line, and interacts with the mail transport system.
-.B Post
-will not normally be called directly by the user.
+.B post
+will not normally be called directly by the user,
+but can be replaced by the user with a
+.I postproc
+profile component that will have
+.I file
+as its final argument.
+See the mh-profile(5) man page for more information on postproc.
.PP
-.B Post
+.B post
searches the \*(lqTo:\*(rq, \*(lqcc:\*(rq, \*(lqBcc:\*(rq,
\*(lqFcc:\*(rq, and \*(lqResent\-xxx:\*(rq header lines of the specified
message for destination addresses, checks these addresses for validity,
.PP
The mail transport system default is provided in
.I %nmhetcdir%/mts.conf
-but can be overriiden here with the
+but can be overridden here with the
.B \-mts
switch.
.PP
Encrypted data is labelled with `(sasl-encrypted)' and `(sasl-decrypted)' when
viewing the SMTP transaction with the
.B \-snoop
-switch. The
-.B \-saslmaxssf
-switch can be used to select the maximum value of the Security Strength Factor.
-This is an integer value and the exact meaning of this value depends on the
-underlying SASL mechanism. A value of 0 disables encryption.
+switch.
+Base64-encoded data is wrapped with `b64<>'.
+(Beware that the SMTP transaction may contain authentication information either
+in plaintext or easily decoded base64.)
.PP
If
.B nmh
will negotiate TLS immediately after the connection has
taken place, before any SMTP commands are sent or received. Encrypted data
is labelled with `(tls-encrypted)' and
-`(tls-decrypted)' when viewing the SMTP transction with the
+`(tls-decrypted)' when viewing the SMTP transaction with the
.B \-snoop
switch.
+Base64-encoded data is wrapped with `b64<>'.
+(Beware that the SMTP transaction may contain authentication information either
+in plaintext or easily decoded base64.)
The
.B \-notls
switch will disable all attempts to negotiate TLS.
will be implied if TLS support was compiled in. Though port 465 for
SMTPS (SMTP over SSL) was deregistered by IANA in 1998, it is still
used for that service.
+.PP
+.B post
+filters out header lines with names beginning with \*(lqNmh-\*(rq
+(case insensitive) from the message draft.
+Those lines are reserved for internal
+.B nmh
+use.
.SH FILES
.fc ^ ~
.nf