SMTP2GO
Free plan for sending transactional email over SMTP or API.
Email
What you get
Send up to 1,000 emails a month through SMTP or the API, with automatic DKIM/SPF, bounce and spam tracking and real-time reporting.
How to get it
Click Sign Up Free at smtp2go.com.
What it requires
No credit card, per the pricing page.
The catch
1,000 emails a month. Toll-free phone and live chat support are limited to 14 days on the free plan.
From the official page · checked Oct 26, 2026