Re: git send-email SMTP password command

> You can use a credential helper, and that can be a shell command.  For
> example, you can do this:
>
>   git -c credential.helper= \
>       -c credential.helper='!f(){ echo username="$USER"; echo password="$PASS";};f' send-email ...
>
> This resets the list of credential helpers (with the empty value) to
> remove any you may have already set, and then uses that shell script to
> read the credentials from the environment.  The documentation on the
> protocol is in git-credentials(1) and gitcredentials(7).
>
> You can also use your regular credential helper to store the
> credentials, in which case you need not set any -c options at all.