Sites using SMTPService.com
Managed email delivery platform providing authenticated SMTP relay, mail forwarding and mailbox hosting.
Found via: StackScope Wider Web 9
SMTPService.com has been detected on 9 launches since first appearing in August 2026. Most recent detection was 4 days ago.
It's most commonly paired with Caddy, jQuery, and HTTP/3.
Share of new sites using SMTPService.com
Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.
Transactional Email leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 | – |
Resend
|
5.36% | 62.97% |
| #2 | ▲1 |
SendGrid
|
0.66% | 7.79% |
| #3 | ▼2 |
Amazon SES
|
0.63% | 7.46% |
| #4 | ▲1 |
MailChannels
|
0.52% | 6.11% |
| #5 | – |
Mail.Baby
|
0.45% | 5.23% |
| … | ||||
| #54 | SMTPService.com Current page | <0.01% | <0.01% | |
Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Transactional Email tool. All 150 in Transactional Email →
Often used with
| Tool | Sites |
|---|---|
Caddy
|
9 |
jQuery
|
8 |
| HTTP/3 | 8 |
| HSTS | 8 |
| LiveHelpNow | 8 |
Tools most often detected on the same sites as SMTPService.com.
9 sites across the wider web use SMTPService.com
None of them is a product launch we list individually, so there is nothing to show here. They still count towards the figures above. How StackScope Discovery works
The StackScope API serves all 9 sites using SMTPService.com, filterable and exportable, from £15 a month.