 | |
| Developer(s) | David Harris |
|---|---|
| Initial release | 1993 |
| Stable release | 4.90
/ October 15, 2021 |
| Operating system | Microsoft Windows |
| Type | E-mail server |
| License | Donationware/shareware |
| Website | http://www.pmail.com/ |
Mercury Mail Transport System (Mercury MTS) is a standards-compliant mail server developed by David Harris, who also develops the Pegasus Mail client.
It was freeware prior to January 2007, but is now donationware for non-commercial and personal use, and shareware for other uses.