Fix invalid pointer arithmetic.

[nmh] / man / send.man

diff --git a/man/send.man b/man/send.man
index 2691c899ba6c042d1e4de785b61b2ffa1747a842..4eb7f902f7645c8a60f19edb2e29fb283db78110 100644 (file)
--- a/man/send.man
+++ b/man/send.man
@@ -1,13 +1,15 @@
-.\"
+.TH SEND %manext1% 2017-05-11 "%nmhversion%"
+.

 .\" %nmhwarning%
 .\" %nmhwarning%

-.\"
-.TH SEND %manext1% "March 23, 2016" "%nmhversion%"
+.

 .SH NAME
 .SH NAME

-send \- send a message
+send \- send an nmh message

 .SH SYNOPSIS
 .HP 5
 .na
 .B send
 .SH SYNOPSIS
 .HP 5
 .na
 .B send

+.RB [ \-help ]
+.RB [ \-version ]

 .RB [ \-alias
 .IR aliasfile ]
 .RB [ \-draft ]
 .RB [ \-alias
 .IR aliasfile ]
 .RB [ \-draft ]


@@ -40,8 +42,6 @@ send \- send a message
 .IR port-name/number ]
 .RB [ \-sasl ]
 .RB [ \-nosasl ]
 .IR port-name/number ]
 .RB [ \-sasl ]
 .RB [ \-nosasl ]

-.RB [ \-saslmaxssf
-.IR ssf ]

 .RB [ \-saslmech
 .IR mechanism ]
 .RB [ \-authservice
 .RB [ \-saslmech
 .IR mechanism ]
 .RB [ \-authservice


@@ -52,20 +52,20 @@ send \- send a message
 .RB [ \-tls ]
 .RB [ \-initialtls ]
 .RB [ \-notls ]
 .RB [ \-tls ]
 .RB [ \-initialtls ]
 .RB [ \-notls ]

+.RB [ \-certverify ]
+.RB [ \-nocertverify ]

 .RB [ \-width
 .IR columns ]
 .RB [ file
 \&...]
 .RB [ \-width
 .IR columns ]
 .RB [ file
 \&...]

-.RB [ \-version ]
-.RB [ \-help ]

 .ad
 .SH DESCRIPTION
 .ad
 .SH DESCRIPTION

-.B Send
+.B send

 will cause each of the specified files to be delivered
 to each of the destinations in the \*(lqTo:\*(rq, \*(lqcc:\*(rq,
 \*(lqBcc:\*(rq, \*(lqDcc:\*(rq, and \*(lqFcc:\*(rq fields of the message.  If
 .B send
 will cause each of the specified files to be delivered
 to each of the destinations in the \*(lqTo:\*(rq, \*(lqcc:\*(rq,
 \*(lqBcc:\*(rq, \*(lqDcc:\*(rq, and \*(lqFcc:\*(rq fields of the message.  If
 .B send

-is re\-distributing a message, as invoked from
+is re-distributing a message, as invoked from

 .BR dist ,
 then the
 corresponding \*(lqResent\-xxx\*(rq fields are examined instead.
 .BR dist ,
 then the
 corresponding \*(lqResent\-xxx\*(rq fields are examined instead.


@@ -105,9 +105,9 @@ for more information.
 will scan the message draft for a header named
 .IR Attach .
 The draft is converted to a MIME message if one or more matches are found.
 will scan the message draft for a header named
 .IR Attach .
 The draft is converted to a MIME message if one or more matches are found.

-This conversion occurs before all other processing.  The
+This conversion occurs before all other processing.

 .IR whatnow (1)
 .IR whatnow (1)

-man page describes the user interface for managing MIME attachments via
+describes the user interface for managing MIME attachments via

 this mechanism.
 .PP
 The first part of the MIME message is the draft body if that body contains
 this mechanism.
 .PP
 The first part of the MIME message is the draft body if that body contains


@@ -149,7 +149,7 @@ if it contains characters outside of the ASCII range.  See
 .IR mhshow (1)
 for more details and example syntax.
 .PP
 .IR mhshow (1)
 for more details and example syntax.
 .PP

-Each attached MIME part contains a 
+Each attached MIME part contains a

 \*(lqContent-Description\*(rq header that includes the filename, and
 adds a \*(lqContent-Disposition\*(rq header.
 Here is an example of MIME part headers for an attachment:
 \*(lqContent-Description\*(rq header that includes the filename, and
 adds a \*(lqContent-Disposition\*(rq header.
 Here is an example of MIME part headers for an attachment:


@@ -208,9 +208,9 @@ switches invoke
 the
 .B nmh
 draft folder facility.  This is an advanced (and highly
 the
 .B nmh
 draft folder facility.  This is an advanced (and highly

-useful) feature.  Consult the
+useful) feature.  Consult

 .IR mh-draft (5)
 .IR mh-draft (5)

-man page for more
+for more

 information.
 .PP
 If
 information.
 .PP
 If


@@ -238,7 +238,7 @@ lot of partial messages.  The argument to
 tells it how long
 to pause between postings.
 .PP
 tells it how long
 to pause between postings.
 .PP

-.B Send
+.B send

 with no
 .I file
 argument will query whether the draft
 with no
 .I file
 argument will query whether the draft


@@ -265,7 +265,7 @@ If a \*(lqDcc:\*(rq field is encountered and the
 mail transport method is not in use, its addresses will be used for
 delivery, and the \*(lqDcc:\*(rq field will be removed from the message.  The
 blind recipients will receive the same message sent to the sighted
 mail transport method is not in use, its addresses will be used for
 delivery, and the \*(lqDcc:\*(rq field will be removed from the message.  The
 blind recipients will receive the same message sent to the sighted

-recipients. *WARNING* Recipients listed in the \*(lqDcc:\*(rq field receive no
+recipients.  *WARNING* Recipients listed in the \*(lqDcc:\*(rq field receive no

 explicit indication that they have received a \*(lqblind copy\*(rq.
 This can cause blind recipients to
 inadvertently reply to all of the sighted recipients of the
 explicit indication that they have received a \*(lqblind copy\*(rq.
 This can cause blind recipients to
 inadvertently reply to all of the sighted recipients of the


@@ -281,7 +281,7 @@ If
 .B \-filter
 .I filterfile
 is specified, then this copy is filtered
 .B \-filter
 .I filterfile
 is specified, then this copy is filtered

-(re\-formatted) by
+(re-formatted) by

 .B mhl
 prior to being sent to the blind recipients.
 Alternately, if you specify the
 .B mhl
 prior to being sent to the blind recipients.
 Alternately, if you specify the


@@ -316,7 +316,7 @@ switch must be enabled for this switch to have any effect.
 .PP
 If
 .B send
 .PP
 If
 .B send

-is re\-distributing a message (when invoked by
+is re-distributing a message (when invoked by

 .BR dist ),
 then \*(lqResent\-\*(rq will be prepended to each of these
 fields: \*(lqFrom:\*(rq, \*(lqDate:\*(rq, and \*(lqMessage\-ID:\*(rq.
 .BR dist ),
 then \*(lqResent\-\*(rq will be prepended to each of these
 fields: \*(lqFrom:\*(rq, \*(lqDate:\*(rq, and \*(lqMessage\-ID:\*(rq.


@@ -328,12 +328,12 @@ is optional.
 .PP
 If a message with multiple \*(lqFrom:\*(rq
 addresses does
 .PP
 If a message with multiple \*(lqFrom:\*(rq
 addresses does

-.B NOT
+.I not

 include a \*(lqSender:\*(rq field but does include an \*(lqEnvelope\-From:\*(rq
 field, the \*(lqEnvelope\-From:\*(rq field will be used to construct
 a \*(lqSender:\*(rq field.
 .PP
 include a \*(lqSender:\*(rq field but does include an \*(lqEnvelope\-From:\*(rq
 field, the \*(lqEnvelope\-From:\*(rq field will be used to construct
 a \*(lqSender:\*(rq field.
 .PP

-When using SMTP for mail submission, the envelope\-from used for the SMTP
+When using SMTP for mail submission, the envelope-from used for the SMTP

 transaction is derived from the \*(lqEnvelope\-From:\*(rq field.
 If no \*(lqEnvelope\-From:\*(rq field is present, the \*(lqSender:\*(rq
 field is used.  If neither the \*(lqEnvelope\-From:\*(rq nor the
 transaction is derived from the \*(lqEnvelope\-From:\*(rq field.
 If no \*(lqEnvelope\-From:\*(rq field is present, the \*(lqSender:\*(rq
 field is used.  If neither the \*(lqEnvelope\-From:\*(rq nor the


@@ -358,6 +358,28 @@ appear to any non\-Bcc receivers of the message.  That is, it will have
 the appended fields and field reformatting.  The \*(lqFcc:\*(rq fields
 will be removed from all outgoing copies of the message.
 .PP
 the appended fields and field reformatting.  The \*(lqFcc:\*(rq fields
 will be removed from all outgoing copies of the message.
 .PP

+Beware that if an \*(lqFcc:\*(rq with one or more folders is present
+but none of the folders exist, and the default
+.I fileproc
+and
+.I postproc
+are in use, then
+.B refile
+will prompt the user to create the folder(s) if
+.B \-push
+is not specified.  If all responses are negative, or creation of each folder
+fails, or
+.B \-push
+is specified, the message will not be copied to any folder and will be
+removed by
+.BR post .
+With the default
+.B refile
+switches, the message draft will be renamed according to the specification
+of its
+.B \-nolink
+switch.
+.PP

 By using the
 .B \-width
 .I columns
 By using the
 .B \-width
 .I columns


@@ -367,7 +389,7 @@ as to how long it should make header lines containing addresses.
 .PP
 The mail transport system default is provided in
 .I %nmhetcdir%/mts.conf
 .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
 .B \-mts
 switch.
 .PP


@@ -385,13 +407,13 @@ and the
 .B \-port
 switches can be used to override the default mail server (defined by the
 .I %nmhetcdir%/mts.conf
 .B \-port
 switches can be used to override the default mail server (defined by the
 .I %nmhetcdir%/mts.conf

-.RI servers
+.I servers

 entry).  The
 .B \-snoop
 switch can be used to view the SMTP transaction.  (Beware that the
 SMTP transaction may contain authentication information either in
 plaintext or easily decoded base64.)  If
 entry).  The
 .B \-snoop
 switch can be used to view the SMTP transaction.  (Beware that the
 SMTP transaction may contain authentication information either in
 plaintext or easily decoded base64.)  If

-.B \-saslmech xoauth2
+.B \-sasl \-saslmech xoauth2

 is used, the HTTP transaction is also shown.
 .PP
 If
 is used, the HTTP transaction is also shown.
 .PP
 If


@@ -405,46 +427,51 @@ the use of SASL authentication with the SMTP MTA.  Depending on the
 SASL mechanism used, this may require an additional password prompt from the
 user (but the
 .I netrc
 SASL mechanism used, this may require an additional password prompt from the
 user (but the
 .I netrc

-file can be used to store this password, as described in the
-mh-profile(5) man page).  The
+file can be used to store this password, as described in
+.IR mh-profile (5).
+The

 .B \-saslmech
 switch can be used to select a particular SASL mechanism,
 and the
 .B \-user
 switch can be used to select a authorization userid to provide to SASL
 .B \-saslmech
 switch can be used to select a particular SASL mechanism,
 and the
 .B \-user
 switch can be used to select a authorization userid to provide to SASL

-other than the default.  The credentials profile entry in the
-mh\-profile(5) man page describes the ways to supply a username and
+other than the default.  The credentials profile entry in
+.IR mh\-profile (5)
+describes the ways to supply a username and

 password.
 .PP
 If SASL authentication is successful,
 password.
 .PP
 If SASL authentication is successful,

-.BR nmh
+nmh

 will attempt to negotiate a security layer for session encryption.
 Encrypted data is labelled with `(encrypted)' and `(decrypted)' when
 viewing the SMTP transaction with the
 .B \-snoop
 will attempt to negotiate a security layer for session encryption.
 Encrypted data is labelled with `(encrypted)' and `(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; see
+.IR post (8)'s
+description of
+.B \-snoop
+for its other features.

 .PP
 If
 .B nmh
 has been compiled with OAuth support, the
 .PP
 If
 .B nmh
 has been compiled with OAuth support, the

+.B \-sasl
+and

 .B \-saslmech xoauth2
 .B \-saslmech xoauth2

-switch will enable OAuth authentication.  The
+switches will enable OAuth authentication.  The

 .B \-user
 switch must be used, and the
 .B \-user
 switch must be used, and the

-.I user-name
+.I username

 must be an email address the user has for the service, which must
 be specified with the
 .B \-authservice
 .I service
 must be an email address the user has for the service, which must
 be specified with the
 .B \-authservice
 .I service

-switch.  Before using this, the user must authorize nmh by running
-.B mhlogin
-and grant authorization to that account.  See the
+switch.  Before using OAuth authentication, the user must authorize nmh by
+running

 .B mhlogin
 .B mhlogin

-man page for more details.
+and grant authorization to that account.  See
+.IR mhlogin (1)
+for more details.

 .PP
 If
 .B nmh
 .PP
 If
 .B nmh


@@ -461,9 +488,13 @@ using the STARTTLS command.  The
 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
 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
 .B \-snoop

-switch.
+switch; see
+.IR post (8)'s
+description of
+.B \-snoop
+for its other features.

 The
 .B \-notls
 switch will disable all attempts to negotiate TLS.
 The
 .B \-notls
 switch will disable all attempts to negotiate TLS.


@@ -474,6 +505,15 @@ 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
 SMTPS (SMTP over SSL) was deregistered by IANA in 1998, it is still
 used for that service.
 .PP

+When using TLS the default is to verify the remote certificate and SubjectName
+against the local trusted certificate store.  This can be controlled by
+the
+.B \-certverify
+and
+.B \-nocertverify
+switches.  See your OpenSSL documentation for more information on certificate
+verification.
+.PP

 The files specified by the profile entry \*(lqAliasfile:\*(rq and any
 additional alias files given by the
 .B \-alias
 The files specified by the profile entry \*(lqAliasfile:\*(rq and any
 additional alias files given by the
 .B \-alias


@@ -485,11 +525,102 @@ can be named).
 See
 .IR mh\-alias (5)
 for more information.
 See
 .IR mh\-alias (5)
 for more information.

+.SS Selection based on sender address:  sendfrom
+One or more
+.I sendfrom
+profile components can be used to select a mail server address, mail server
+port, or any other switch that can be supplied to
+.BR post .
+It works by first looking at the sender address and domain name in the
+message draft, as described below.
+It then looks for a corresponding profile entry, which contains the
+.B post
+switches.
+To enable, add profile entries of the form:
+.PP
+.RS 5
+.RI sendfrom- "address/domain name" : " post switches"
+.RE
+.PP
+The email address is extracted from the Envelope-From:  header, if not blank,
+the Sender: header, or the From: header line in the message draft.
+Multiple profile entries, with different email addresses or domain names, are
+supported.
+This allows different switches to
+.BR post ,
+such as -user, to be associated with different email addresses.
+If a domain name is used, it matches all users in that domain.
+.PP
+Here is an example profile entry using OAuth for an account hosted by gmail:
+.PP
+.nf
+.RS 5
+sendfrom-gmail_address@example.com: -sasl -saslmech xoauth2
+.RS 5
+-authservice gmail -tls -server smtp.gmail.com
+-user gmail_login@example.com
+.RE
+.RE
+.fi
+.PP
+(Indentation indicates a continued line, as supported in MH profiles.)
+The username need not be the same as the sender address, which was extracted
+from the appropriate header line as noted above.
+.PP
+Here are example profile entries that use an nmh credentials file:
+.PP
+.nf
+.RS 5
+credentials: file:nmhcreds
+sendfrom-sendgrid_address@example.com: -sasl -tls
+.RS 5
+-server smtp.sendgrid.net
+.RE
+sendfrom-outbound.att.net: -sasl -initialtls
+.RS 5
+-server outbound.att.net -port 465
+.RE
+sendfrom-fastmail.com: -initialtls -sasl -saslmech LOGIN
+.RS 5
+-server smtps-proxy.messagingengine.com -port 80
+.RE
+.RE
+.fi
+.PP
+where nmhcreds is in the user's nmh directory (from the Path profile component)
+and contains:
+.PP
+.nf
+.RS 5
+machine smtp.sendgrid.net
+.RS 5
+login sendgrid_login@example.com
+password ********
+.RE
+machine outbound.att.net
+.RS 5
+login att_login@example.com
+password ********
+.RE
+machine smtps-proxy.messagingengine.com
+.RS 5
+login fastmail_login@example.com
+password ********
+.RE
+.RE
+.fi
+.PP
+For more information on authentication to mail servers, see
+.IR mhlogin (1)
+for OAuth services, and
+.IR mh-profile (5)
+for login credentials.
+.PP

 .SH FILES
 .fc ^ ~
 .nf
 .ta \w'%nmhetcdir%/ExtraBigFileName  'u
 .SH FILES
 .fc ^ ~
 .nf
 .ta \w'%nmhetcdir%/ExtraBigFileName  'u

-^$HOME/\&.mh\(ruprofile~^The user profile
+^$HOME/.mh_profile~^The user profile

 .fi
 .SH "PROFILE COMPONENTS"
 .fc ^ ~
 .fi
 .SH "PROFILE COMPONENTS"
 .fc ^ ~


@@ -497,11 +628,13 @@ for more information.
 .ta 2.4i
 .ta \w'ExtraBigProfileName  'u
 ^Path:~^To determine the user's nmh directory
 .ta 2.4i
 .ta \w'ExtraBigProfileName  'u
 ^Path:~^To determine the user's nmh directory

-^Draft\-Folder:~^To find the default draft\-folder
+^Draft\-Folder:~^To find the default draft-folder

 ^Aliasfile:~^For a default alias file
 ^Signature:~^To determine the user's mail signature
 ^mailproc:~^Program to post failure notices
 ^postproc:~^Program to post the message
 ^Aliasfile:~^For a default alias file
 ^Signature:~^To determine the user's mail signature
 ^mailproc:~^Program to post failure notices
 ^postproc:~^Program to post the message

+^sendfrom-address:~^Switches to post for sender address
+^sendfrom-domain:~^Switches to post for sender domain name

 .fi
 .SH "SEE ALSO"
 .IR comp (1),
 .fi
 .SH "SEE ALSO"
 .IR comp (1),


@@ -511,6 +644,7 @@ for more information.
 .IR mhbuild (1),
 .IR mhparam (1),
 .IR mhlogin (1),
 .IR mhbuild (1),
 .IR mhparam (1),
 .IR mhlogin (1),

+.IR refile (1),

 .IR repl (1),
 .IR whatnow (1),
 .IR mh\-alias (5),
 .IR repl (1),
 .IR whatnow (1),
 .IR mh\-alias (5),


@@ -519,7 +653,7 @@ for more information.
 .IR post (8)
 .SH DEFAULTS
 .nf
 .IR post (8)
 .SH DEFAULTS
 .nf

-.RB ` file "' defaults to <mh\-dir>/draft"
+.RB ` file "' defaults to <mh-dir>/draft"

 .RB ` \-alias "' defaults to %nmhetcdir%/MailAliases"
 .RB ` \-nodraftfolder '
 .RB ` \-nofilter '
 .RB ` \-alias "' defaults to %nmhetcdir%/MailAliases"
 .RB ` \-nodraftfolder '
 .RB ` \-nofilter '


@@ -532,6 +666,7 @@ for more information.
 .RB ` \-noverbose '
 .RB ` \-nowatch '
 .RB ` "\-width\ 72" '
 .RB ` \-noverbose '
 .RB ` \-nowatch '
 .RB ` "\-width\ 72" '

+.RB ` \-certverify '

 .fi
 .SH CONTEXT
 None
 .fi
 .SH CONTEXT
 None