--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.
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.
Administering