We're live on Product Hunt. If you have found StackScope useful, a comment would mean a lot. See the launch

← All technologies

Sites using Mailii

Email marketing and sending service

#19 of 148 in Transactional Email First seen: May 21, 2026 Last seen: Sep 1, 2026 Website: mailii.org
Stackdar alerts

Get told when a new site ships with Mailii.

Stackdar watches every launch we detect and sends you the ones using Mailii, by email, Slack or webhook. On every plan, from £15 a month.

See how alerts work

483 sites

482 found by StackScope, 1 via launch platforms

StackScope Wider Web 472 StackScope Discovery (Indie) 10 PeerPush 1
  • StackScope Wider Web 472
  • StackScope Discovery (Indie) 10
  • PeerPush 1
Last 7 days 0.0% -0.0pp
Most used with Google Search Console, Cloudflare, PHP
Top product types Productivity, E-commerce, Health

Mailii has been detected on 483 launches we've crawled. The 7-day rolling share is 0.0%, roughly steady week on week. Most recent detection: هم‌خوان, today.

It's most commonly paired with Google Search Console, Cloudflare, and PHP. By product type, the launches using it are most often Productivity (45%), E-commerce (15%), and Health (13%). By domain ending, launches using it are 2.0 times as likely as the average launch to live on a .com domain.

What kind of products ship with Mailii

62 launches

Productivity
45.16%
E-commerce
14.52%
Health
12.90%
Content
8.06%
Marketing
8.06%
AI
3.23%
Finance
3.23%
Design
1.61%
Education
1.61%
Games
1.61%

Domain endings using Mailii

483 sites

  • .com 81.16%
  • .co 3.93%
  • .org 3.31%
  • .site 2.28%
  • .net 1.86%
  • .ir 1.24%
  • .xyz 1.24%
  • .app 0.83%
  • .me 0.83%
  • .online 0.62%

Share of new sites using Mailii

Each dot is one launch day. Line is the 7-day rolling average; weekly averages before June 2026. Chart starts at first detection.

0.0%
last 7 days
-0.0pp vs prior week
483
sites all time
since May 2026
Mailii daily detection trend Before 8 July 2026: launch platforms only. We began crawling the wider web on this date, so the cohort this share is measured against changes here. 5% 2% 0% May Jun Jul Aug 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. Weekly averages before this point, daily after. Jun 3 · 0 / 714 = 0.0% Jun 4 · 0 / 599 = 0.0% Jun 5 · 0 / 581 = 0.0% Jun 6 · 0 / 436 = 0.0% Jun 7 · 0 / 404 = 0.0% Jun 8 · 0 / 515 = 0.0% Jun 9 · 0 / 876 = 0.0% Jun 10 · 0 / 722 = 0.0% Jun 11 · 0 / 577 = 0.0% Jun 12 · 0 / 449 = 0.0% Jun 13 · 0 / 380 = 0.0% Jun 14 · 0 / 345 = 0.0% Jun 15 · 0 / 532 = 0.0% Jun 16 · 0 / 1052 = 0.0% Jun 17 · 0 / 907 = 0.0% Jun 18 · 0 / 674 = 0.0% Jun 19 · 0 / 547 = 0.0% Jun 20 · 0 / 443 = 0.0% Jun 21 · 0 / 383 = 0.0% Jun 22 · 0 / 576 = 0.0% Jun 23 · 0 / 900 = 0.0% Jun 24 · 0 / 737 = 0.0% Jun 25 · 0 / 618 = 0.0% Jun 26 · 0 / 534 = 0.0% Jun 27 · 0 / 431 = 0.0% Jun 28 · 0 / 383 = 0.0% Jun 29 · 0 / 503 = 0.0% Jun 30 · 0 / 801 = 0.0% Jul 1 · 0 / 795 = 0.0% Jul 2 · 0 / 604 = 0.0% Jul 3 · 0 / 499 = 0.0% Jul 4 · 0 / 411 = 0.0% Jul 5 · 0 / 367 = 0.0% Jul 6 · 0 / 551 = 0.0% Jul 7 · 0 / 1171 = 0.0% Jul 8 · 0 / 12590 = 0.0% Jul 9 · 2 / 23744 = 0.0% Jul 10 · 0 / 22550 = 0.0% Jul 11 · 1 / 15979 = 0.0% Jul 12 · 1 / 20291 = 0.0% Jul 13 · 0 / 20922 = 0.0% Jul 14 · 1 / 20408 = 0.0% Jul 15 · 0 / 17241 = 0.0% Jul 16 · 1 / 14265 = 0.0% Jul 17 · 2 / 19732 = 0.0% Jul 18 · 1 / 22701 = 0.0% Jul 19 · 0 / 26074 = 0.0% Jul 20 · 3 / 22586 = 0.0% Jul 21 · 2 / 21647 = 0.0% Jul 22 · 0 / 23202 = 0.0% Jul 23 · 1 / 16863 = 0.0% Jul 24 · 1 / 12855 = 0.0% Jul 25 · 1 / 8946 = 0.0% Jul 26 · 5 / 19975 = 0.0% Jul 27 · 9 / 33863 = 0.0% Jul 28 · 8 / 38218 = 0.0% Jul 29 · 11 / 50100 = 0.0% Jul 30 · 10 / 43948 = 0.0% Jul 31 · 10 / 51108 = 0.0% Aug 1 · 17 / 50448 = 0.0% Aug 2 · 11 / 49659 = 0.0% Aug 3 · 18 / 48186 = 0.0% Aug 4 · 5 / 37324 = 0.0% Aug 5 · 10 / 32704 = 0.0% Aug 6 · 7 / 36579 = 0.0% Aug 7 · 6 / 37887 = 0.0% Aug 8 · 6 / 39678 = 0.0% Aug 9 · 9 / 34205 = 0.0% Aug 10 · 7 / 28846 = 0.0% Aug 11 · 6 / 32014 = 0.0% Aug 12 · 3 / 33473 = 0.0% Aug 13 · 9 / 49903 = 0.0% Aug 14 · 7 / 51427 = 0.0% Aug 15 · 11 / 51484 = 0.0% Aug 16 · 20 / 51800 = 0.0% Aug 17 · 7 / 41372 = 0.0% Aug 18 · 13 / 53839 = 0.0% Aug 19 · 13 / 49408 = 0.0% Aug 20 · 16 / 66821 = 0.0% Aug 21 · 19 / 90352 = 0.0% Aug 22 · 22 / 91509 = 0.0% Aug 23 · 26 / 90220 = 0.0% Aug 24 · 24 / 78784 = 0.0% Aug 25 · 17 / 69242 = 0.0% Aug 26 · 13 / 65047 = 0.0% Aug 27 · 14 / 83362 = 0.0% Aug 28 · 15 / 83270 = 0.0% Aug 29 · 20 / 83950 = 0.0% Aug 30 · 18 / 91748 = 0.0% Aug 31 · 18 / 88105 = 0.0%
Apr 27, 2026 90 days Aug 31, 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.

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 5.54% 63.67%
#2 ▲1 SendGrid 0.67% 7.69%
#3 ▼2 Amazon SES 0.66% 7.57%
#4 ▲1 MailChannels 0.52% 5.93%
#5 Mail.Baby 0.44% 5.09%
#19 ▲1 Mailii Current page 0.02% 0.22%

Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Transactional Email tool. All 148 in Transactional Email →

Often used with

Tool Launches
Google Search Console 1
Cloudflare 1
PHP 1
WordPress 1
Google Analytics 1

Tools most often detected on the same launches as Mailii.

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.