For development purposes. When the mail() function failed to send a message, you can save it (in txt or html).
It's very useful for developers, who has no any local mail server, but wants to check, how a letter looks like, before commiting the project...
Commercial Use
Modify
Distribute
Place Warranty
Sub-License
Hold Liable
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.