feedmail-mail-send-hook

feedmail-mail-send-hook is a variable defined in `feedmail.el'.
Its value is

nil

• This variable may be risky if used as a file-local variable.

Documentation:
Hook run by `feedmail-mail-send-hook-splitter' for immediate mail.
See documentation of `feedmail-mail-send-hook-splitter' for details.

You can customize this variable.