Default is the value of 'sendemail.suppressfrom' configuration value;
if that is unspecified, default to --no-suppress-from.
+--suppress-cc::
+ Specify an additional category of recipients to suppress the
+ auto-cc of. 'self' will avoid including the sender, 'author' will
+ avoid including the patch author, 'cc' will avoid including anyone
+ mentioned in Cc lines in the patch, 'sob' will avoid including
+ anyone mentioned in Signed-off-by lines, and 'cccmd' will avoid
+ running the --cc-cmd. 'all' will suppress all auto cc values.
+ Default is the value of 'sendemail.suppresscc' configuration value;
+ if that is unspecified, default to 'self' if --suppress-from is
+ specified, as well as 'sob' if --no-signed-off-cc is specified.
+
--thread, --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