Works with CiviCRM 4.5. It might not be supported anymore.
This extension reduces the number of steps required to send bulk email.
In addition it uses Inline editing of message templates to ensure end users can not break formatting.
Screenshot (click to enlarge)
Releases
Since CiviCRM 5.x, extension releases compatible with CiviCRM 5.0 are compatible with 5.0 and later. An extension release compatible with 5.25, for example, means that it requires CiviCRM 5.25 or later.