Sites using Mail-in-a-Box
Self-hosted mail server appliance that also serves authoritative DNS for its own domain.
Get told when a new site ships with Mail-in-a-Box.
Stackdar watches every launch we detect and sends you the ones using Mail-in-a-Box, by email, Slack or webhook. On every plan, from £15 a month.
See how alerts work101 sites
95 found by StackScope, 6 via launch platforms
- StackScope Wider Web 79
- StackScope Discovery (Indie) 16
- Product Hunt 5
- Hacker News 1
Mail-in-a-Box has been detected on 101 launches we've crawled, with 13 of those in September 2026 (0.0% of the month's launches so far). The 7-day rolling share is 0.0%, roughly steady week on week. Most recent detection: ObsessOS — One human. One question. One day., today.
It's most commonly paired with HSTS, Box (Israel) DNS, and Google Fonts. By product type, the launches using it are most often Health (22%), Marketing (13%), and Productivity (13%). By domain ending, launches using it are 1.6 times as likely as the average launch to live on a .com domain.
What kind of products ship with Mail-in-a-Box
23 launches
Domain endings using Mail-in-a-Box
99 sites
- .com 68.69%
- .app 5.05%
- .co 4.04%
- .ai 3.03%
- .il 3.03%
- .link 2.02%
- .net 2.02%
- .ca 1.01%
- .cloud 1.01%
- .dev 1.01%
- .io 1.01%
- .me 1.01%
Country
33 of 101 sites, where we are semi-confident of the country.
-
Israel
90.91%
-
United Kingdom
3.03%
-
Slovakia
3.03%
-
United States
3.03%
Share of new sites using Mail-in-a-Box
Each dot is one launch day. Line is the 7-day rolling average; weekly averages before June 2026.
The shaded part of the chart is measured against a different set of sites. Until 8 July 2026 we only tracked launches from launch platforms; from that date we crawl the wider web as well. The share is a proportion of whatever we were tracking at the time, so it can step at that line without the technology itself changing. For a single continuous measure, switch to launch platforms.
Server leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 | ▲1 |
PHP
|
9.89% | 33.15% |
| #2 | ▼1 |
nginx
|
9.06% | 30.35% |
| #3 | – |
LiteSpeed Web Server
|
7.56% | 25.33% |
| #4 | – |
Apache
|
4.03% | 13.51% |
| #5 | – |
Caddy
|
2.49% | 8.33% |
| … | ||||
| #28 | ▲3 |
Mail-in-a-Box
Current page
|
<0.01% | 0.01% |
Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Server tool.Among August launches it ranked #27 in Server, up from #30 in July. All 112 in Server →
Often used with
| Tool | Sites |
|---|---|
| HSTS | 65 |
| Box (Israel) DNS | 52 |
Google Fonts
|
46 |
|
nginx
|
37 |
Google Search Console
|
30 |
Tools most often detected on the same sites as Mail-in-a-Box.
Recent launches we can show
22 of the 101 sites using Mail-in-a-Box are product launches we list individually. The other 79 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
Salonli
Globaluum
v2ketc.com — Where software meets copper and torque.
Developer Tools
Bernoulli — Probability, Inference & Benchmarks
SOLA — ניהול פיננסי חכם לעסק שלך
KorotBot – בניית קורות חיים עם AI בעברית
COGG™ | Industrial execution workflow
Productivity
SecretRanker - תזמון ופרסום פוסטים עם AI
Compare AI Voice Platforms: Pricing & Verdicts · vsref
Directory
Dev-like
MoniQa
Content
Showing the most recent 12 of 22.
The StackScope API serves all 101 sites using Mail-in-a-Box, filterable and exportable, from £15 a month.