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Sites using SpamFilterServer

13 sites via All sites #30 of 148 in Email Security First seen: Jul 28, 2026 Last seen: Sep 1, 2026

Found via: StackScope Discovery (Indie) 4 · StackScope Wider Web 9

View: All sites All launches Launch platforms StackScope Discovery StackScope Wider Web
Last 7 days 0.0% -0.0pp
Most used with The DNS Company, Apache, Google Fonts

SpamFilterServer has been detected on 13 launches we've crawled. Most recent detection: Comic Strip Director, 3 days ago.

It's most commonly paired with The DNS Company, Apache, and Google Fonts.

Domain endings using SpamFilterServer

13 sites

  • .com 53.85%
  • .app 15.38%
  • .nl 15.38%
  • .ai 7.69%
  • .net 7.69%

Share of new sites using SpamFilterServer

Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.

0.0%
last 7 days
-0.0pp vs prior week
0.0%
September so far
1 of 279,938 sites
13
sites all time
since Jul 2026
SpamFilterServer daily detection trend 5% 2% 0% Aug Sep Jul 21 · 0 / 21662 = 0.0% Jul 22 · 0 / 23209 = 0.0% Jul 23 · 0 / 16877 = 0.0% Jul 24 · 0 / 12861 = 0.0% Jul 25 · 0 / 8951 = 0.0% Jul 26 · 0 / 19989 = 0.0% Jul 27 · 0 / 33891 = 0.0% Jul 28 · 1 / 38233 = 0.0% Jul 29 · 1 / 50129 = 0.0% Jul 30 · 2 / 43973 = 0.0% Jul 31 · 0 / 51145 = 0.0% Aug 1 · 0 / 50536 = 0.0% Aug 2 · 0 / 49757 = 0.0% Aug 3 · 0 / 48271 = 0.0% Aug 4 · 1 / 37379 = 0.0% Aug 5 · 0 / 32721 = 0.0% Aug 6 · 0 / 36609 = 0.0% Aug 7 · 0 / 37907 = 0.0% Aug 8 · 0 / 39702 = 0.0% Aug 9 · 0 / 34236 = 0.0% Aug 10 · 0 / 28892 = 0.0% Aug 11 · 0 / 32050 = 0.0% Aug 12 · 0 / 33516 = 0.0% Aug 13 · 0 / 49986 = 0.0% Aug 14 · 0 / 51460 = 0.0% Aug 15 · 0 / 51545 = 0.0% Aug 16 · 0 / 51879 = 0.0% Aug 17 · 1 / 41480 = 0.0% Aug 18 · 0 / 53976 = 0.0% Aug 19 · 0 / 49561 = 0.0% Aug 20 · 1 / 66982 = 0.0% Aug 21 · 1 / 90500 = 0.0% Aug 22 · 0 / 91581 = 0.0% Aug 23 · 1 / 90318 = 0.0% Aug 24 · 0 / 78993 = 0.0% Aug 25 · 0 / 69447 = 0.0% Aug 26 · 0 / 65229 = 0.0% Aug 27 · 1 / 83586 = 0.0% Aug 28 · 0 / 83457 = 0.0% Aug 29 · 0 / 84380 = 0.0% Aug 30 · 0 / 92687 = 0.0% Aug 31 · 2 / 90282 = 0.0% Sep 1 · 1 / 91558 = 0.0% Sep 2 · 0 / 97194 = 0.0% Sep 3 · 0 / 91186 = 0.0%
Jul 21, 2026 45 days Sep 3, 2026

How StackScope detects technologies

Email Security leaders

Tool % of launches % of category
#1 – DNSSmartHost 0.27% 56.12%
#2 – MailSpamProtection 0.26% 54.73%
#3 – AntiSpamCloud 0.09% 19.65%
#4 ▲2 Premium SMTP 0.02% 4.15%
#5 ▼1 Proofpoint Essentials 0.02% 3.18%
…
#30 ▼3 SpamFilterServer Current page <0.01% 0.10%

Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Email Security tool.Among August launches it ranked #28 in Email Security, down from #25 in July. All 148 in Email Security →

Often used with

Tool Sites
The DNS Company 13
Apache 11
Google Fonts 6
Google Search Console 4
HSTS 3

Tools most often detected on the same sites as SpamFilterServer.

Recent launches we can show

4 of the 13 sites using SpamFilterServer are product launches we list individually. The other 9 are sites we found crawling the wider web: they count towards the figures above, but we do not publish them one by one. How StackScope Discovery works

Comic Strip Director Sep 1, 2026 Nexivo – Website automation voor hostingproviders | Nexivo SiteBuilder Aug 31, 2026 letmecheckthat.ai — the operating system for hospitality Aug 4, 2026 Productivity BuurtHeld — Heitje voor een karweitje Jul 28, 2026

The StackScope API serves all 13 sites using SpamFilterServer, filterable and exportable, from £15 a month.

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