V

Mail Server Software

vSMTP

viridit.com · checked 4 Oct 2026

How it plugs in

—Public API
NoOpen source
YesFree tier

Signal on Mail Server Software4.8#32 of 34

vSMTP home page

Pricing

  • Open editionOpen-source license · MTA, secured front end, or mass email sender · SMTP and MIME filteringOn request

As viridit.com lists them, checked 23 Sept 2026.