+By default, Thunderbird will both wrap emails as well as flag them as
+being 'format=flowed', both of which will make the resulting email unusable
Here are some hints on how to successfully submit patches inline using
+There are two different approaches. One approach is to configure
+Thunderbird to not mangle patches. The second approach is to use
+an external editor to keep Thunderbird from mangling the patches.
+Approach #1 (configuration):
+This recipe is current as of Thunderbird 126.96.36.199. Three steps:
+ 1. Configure your mail server composition as plain text
+ Edit...Account Settings...Composition & Addressing,
+ uncheck 'Compose Messages in HTML'.
+ 2. Configure your general composition window to not wrap
+ Edit..Preferences..Composition, wrap plain text messages at 0
+ 3. Disable the use of format=flowed
+ Edit..Preferences..Advanced..Config Editor. Search for:
+ toggle it to make sure it is set to 'false'.
+After that is done, you should be able to compose email as you
+otherwise would (cut + paste, git-format-patch | git-imap-send, etc),
+and the patches should not be mangled.
+Approach #2 (external editor):
This recipe appears to work with the current [*1*] Thunderbird from Suse.
The following Thunderbird extensions are needed: