Way to customize <head> section of outbound email?
is there a way to include or insert custom code into the head section of outbound Thunderbird emails? Note that I am not talking about custom email headers, but custom h… (read more)
is there a way to include or insert custom code into the head section of outbound Thunderbird emails?
Note that I am not talking about custom email headers, but custom html into the <head> section of outbound HTML emails.
Thanks!