Sites using MailSentinel
Hosted anti-spam and email filtering gateway for inbound and outbound mail.
Found via: Product Hunt 2 · StackScope Discovery (Indie) 3 · StackScope Wider Web 49
MailSentinel has been detected on 2 launches since first appearing in June 2026. Most recent detection: Primingo, yesterday.
It's most commonly paired with Google Search Console, Cloudflare DNS, and Cloudflare.
Share of new launches using MailSentinel
Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.
How StackScope detects technologies
⋮ 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.
Email Security leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 |
DNSSmartHost
|
0.19% | 30.77% | |
| #2 |
MailSpamProtection
|
0.18% | 29.52% | |
| #3 |
Proofpoint Essentials
|
0.14% | 22.87% | |
| #4 |
AntiSpamCloud
|
0.07% | 11.85% | |
| #5 | Validity | 0.03% | 4.16% | |
| … | ||||
| #25 | MailSentinel Current page | <0.01% | 0.42% | |
Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Email Security tool. All 47 in Email Security →
Often used with
| Tool | Launches |
|---|---|
Google Search Console
|
2 |
Cloudflare DNS
|
2 |
Cloudflare
|
2 |
Google Analytics
|
2 |
Google Tag Manager
|
2 |
Tools most often detected on the same launches as MailSentinel.
