Sites using SMTP.bz
Transactional SMTP email relay service.
Found via: Product Hunt 6 · StackScope Wider Web 3
Figures on this page reflect launches found via All sources only. The "Found via" counts above always show every source. Reset
SMTP.bz has been detected on 6 launches since first appearing in April 2026. Most recent detection: Planado, on July 9, 2026.
It's most commonly paired with nginx, Yandex Metrica, and Google Analytics.
Share of new launches using SMTP.bz
Each dot is one launch day. Line is the 7-day rolling average.
How StackScope detects technologies
⋮ Jul 1, 2026: Adoption figures now count launches from launch platforms. Use the source view to include StackScope Discovery.
⋮ Jul 3, 2026: Email provider detection improved: providers identified from mail configuration are now caught on a site's first crawl. Earlier data may slightly undercount.
Transactional Email leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 |
Resend
|
18.95% | 75.28% | |
| #2 |
Amazon SES
|
3.33% | 13.23% | |
| #3 |
SendGrid
|
2.32% | 9.23% | |
| #4 |
Mailgun
|
1.01% | 4.00% | |
| #5 |
Firebase Trigger Email
|
0.87% | 3.44% | |
| … | ||||
| #30 | SMTP.bz Current page | 0.01% | 0.03% | |
Percentages show adoption among launches found via All sources: the share of all such launches, and of those using any Transactional Email tool. All 66 in Transactional Email →
Often used with
| Tool | Launches |
|---|---|
nginx
|
5 |
Yandex Metrica
|
4 |
Google Analytics
|
3 |
SendPulse
|
2 |
REG.RU
|
2 |
Tools most often detected on the same launches as SMTP.bz.
