send-email: make --no-chain-reply-to the default

[git.git] / Documentation / git-send-email.txt

diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt
index fbde2d3be523443c8388f9bb43cc0d5682658f8f..626c2dccc175770931058863e75fd989683c5421 100644 (file)
--- a/Documentation/git-send-email.txt
+++ b/Documentation/git-send-email.txt
@@ -84,7 +84,7 @@ See the CONFIGURATION section for 'sendemail.multiedit'.
 --in-reply-to=<identifier>::
        Specify the contents of the first In-Reply-To header.
        Subsequent emails will refer to the previous email
-       instead of this if --chain-reply-to is set (the default)
+       instead of this if --chain-reply-to is set.
        Only necessary if --compose is also set.  If --compose
        is not set, this will be prompted for.
 
@@ -142,8 +142,9 @@ user is prompted for a password while the input is masked for privacy.
 
 --smtp-server-port=<port>::
        Specifies a port different from the default port (SMTP
-       servers typically listen to smtp port 25 and ssmtp port
-       465); symbolic port names (e.g. "submission" instead of 465)
+       servers typically listen to smtp port 25, but may also listen to
+       submission port 587, or the common SSL smtp port 465);
+       symbolic port names (e.g. "submission" instead of 587)
        are also accepted. The port can also be set with the
        'sendemail.smtpserverport' configuration variable.
 
@@ -170,8 +171,8 @@ Automating
        email sent.  If disabled with "--no-chain-reply-to", all emails after
        the first will be sent as replies to the first email sent.  When using
        this, it is recommended that the first file given be an overview of the
-       entire patch series. Default is the value of the 'sendemail.chainreplyto'
-       configuration value; if that is unspecified, default to --chain-reply-to.
+       entire patch series. Disabled by default, but the 'sendemail.chainreplyto'
+       configuration variable can be used to enable it.
 
 --identity=<identity>::
        A configuration identity. When given, causes values in the
@@ -212,11 +213,22 @@ specified, as well as 'body' if --no-signed-off-cc is specified.
        value; if that is unspecified, default to --no-suppress-from.
 
 --[no-]thread::
-       If this is set, the In-Reply-To header will be set on each email sent.
-       If disabled with "--no-thread", no emails will have the In-Reply-To
-       header set, unless specified with --in-reply-to.
-       Default is the value of the 'sendemail.thread' configuration
-       value; if that is unspecified, default to --thread.
+       If this is set, the In-Reply-To and References headers will be
+       added to each email sent.  Whether each mail refers to the
+       previous email (`deep` threading per 'git format-patch'
+       wording) or to the first email (`shallow` threading) is
+       governed by "--[no-]chain-reply-to".
++
+If disabled with "--no-thread", those headers will not be added
+(unless specified with --in-reply-to).  Default is the value of the
+'sendemail.thread' configuration value; if that is unspecified,
+default to --thread.
++
+It is up to the user to ensure that no In-Reply-To header already
+exists when 'git send-email' is asked to add it (especially note that
+'git format-patch' can be configured to do the threading itself).
+Failure to do so may not produce the expected result in the
+recipient's MUA.
 
 
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