Websites Powered by Mailman
127 websites tracked using Mailman (Email) · list.org
Mailman is a email delivery or marketing service. Its official site is list.org. PoweredBy tracks the websites that use Mailman across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the email ecosystem.
Usage trend
20
40
60
Aug 2022
Aug 2023
Jul 2024
Jul 2025
Jun 2026
Domains observed using Mailman in each month's HTTP Archive crawl,
Aug 2022 to Jun 2026 · peak 52 in Apr 2026. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.5 s
INP 50 ms
CLS 0
TTFB 800 ms
Median site among 112 Mailman sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
103
India
91
Germany
77
United Kingdom
69
Italy
69
Indonesia
68
Brazil
63
France
63
Sites using Mailman by audience country, Chrome UX Report.
Top sites by authority
9+
<1% · 2 of 372 sites
8+
<1% · 28 of 7,677 sites
7+
<1% · 53 of 45,712 sites
6+
<1% · 59 of 110,136 sites
5+
<1% · 64 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Mailman in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Mailman
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | wikimedia.org | 9.25/10 | 26,200 | 5,466 | Aug 2022 |
| 2 | harvard.edu | 9.24/10 | 472,900 | 13,570 | Nov 2022 |
| 3 | icann.org | 8.99/10 | 27,800 | 9,274 | Oct 2024 |
| 4 | rfc-editor.org | 8.76/10 | 16,300 | 9,990 | Feb 2025 |
| 5 | iana.org | 8.75/10 | 48,200 | 13,169 | Oct 2024 |
| 6 | unl.edu | 8.67/10 | 64,000 | 6,655 | Feb 2025 |
| 7 | archlinux.org | 8.63/10 | 33,300 | 10,332 | Oct 2022 |
| 8 | fedoraproject.org | 8.62/10 | 23,500 | 5,555 | Aug 2022 |
| 9 | torproject.org | 8.62/10 | 287,900 | 11,898 | Nov 2024 |
| 10 | centos.org | 8.56/10 | 6,100 | 4,872 | May 2024 |
| 11 | liu.se | 8.56/10 | 6,700 | 3,335 | Mar 2025 |
| 12 | ffmpeg.org | 8.53/10 | 16,200 | 16,401 | Aug 2025 |
| 13 | inkscape.org | 8.42/10 | 11,400 | 3,182 | Dec 2022 |
| 14 | tu-berlin.de | 8.37/10 | - | - | Apr 2026 |
| 15 | huji.ac.il | 8.32/10 | - | 10 | Feb 2024 |
| 16 | unipi.it | 8.32/10 | 1,500 | 1,950 | Oct 2023 |
| 17 | umanitoba.ca | 8.28/10 | 25,600 | 17,260 | Apr 2023 |
| 18 | unr.edu | 8.24/10 | 324,200 | 99,987 | Dec 2022 |
| 19 | uba.ar | 8.21/10 | 670 | 586 | Apr 2025 |
| 20 | ripe.net | 8.16/10 | 12,100 | 4,735 | Oct 2024 |
| 21 | jboss.org | 8.13/10 | 330 | 68 | Aug 2022 |
| 22 | openjdk.org | 8.07/10 | 14,500 | 8,503 | Mar 2026 |
| 23 | proxmox.com | 8.02/10 | 30,800 | 4,972 | Mar 2026 |
| 24 | tuni.fi | 8.02/10 | 3,800 | 2,222 | Jul 2025 |
| 25 | tu-chemnitz.de | 8.02/10 | 3,600 | 4,758 | Oct 2024 |
| 26 | podman.io | 8.01/10 | 4,600 | 8,757 | Oct 2022 |
| 27 | boost.org | 8.01/10 | 6,700 | 3,413 | Dec 2024 |
| 28 | oulu.fi | 8.01/10 | 5,300 | 1,326 | Mar 2026 |
| 29 | hhu.de | 7.98/10 | 1,500 | 307 | May 2024 |
| 30 | ernet.in | 7.98/10 | 140 | 181 | Aug 2024 |
| 31 | phpmyadmin.net | 7.97/10 | 4,400 | 2,657 | May 2026 |
| 32 | almalinux.org | 7.93/10 | 4,900 | 6,552 | Jul 2023 |
| 33 | uvigo.es | 7.93/10 | - | - | Aug 2022 |
| 34 | openldap.org | 7.80/10 | 290 | 376 | May 2023 |
| 35 | apnic.net | 7.79/10 | 2,600 | 1,247 | Oct 2022 |
| 36 | uoc.gr | 7.73/10 | 44 | 79 | Mar 2026 |
| 37 | fernuni-hagen.de | 7.71/10 | 500 | 515 | Oct 2023 |
| 38 | tu-bs.de | 7.69/10 | - | - | Jan 2023 |
| 39 | nanog.org | 7.64/10 | 380 | 259 | May 2025 |
| 40 | libvirt.org | 7.61/10 | 620 | 327 | Aug 2024 |
| 41 | egu.eu | 7.47/10 | 3,500 | 1,845 | May 2024 |
| 42 | roundcube.net | 7.46/10 | 5,600 | 1,066 | Sep 2024 |
| 43 | univpm.it | 7.46/10 | 240 | 254 | Aug 2022 |
| 44 | sunet.se | 7.45/10 | 11 | 19 | Apr 2023 |
| 45 | fedorahosted.org | 7.42/10 | - | - | Aug 2022 |
| 46 | genealogy.net | 7.41/10 | 9 | 12 | Nov 2025 |
| 47 | alsa-project.org | 7.39/10 | 830 | 130 | Mar 2023 |
| 48 | jabber.org | 7.35/10 | 1,900 | 72 | Jul 2025 |
| 49 | linaro.org | 7.24/10 | 260 | 97 | Aug 2023 |
| 50 | pagure.io | 7.08/10 | 20 | 140 | Dec 2023 |
| 51 | coreboot.org | 7.02/10 | 41 | 20 | Aug 2022 |
| 52 | unl.edu.ar | 7.02/10 | 1,100 | 2,211 | Aug 2022 |
| 53 | robocup.org | 7.01/10 | 610 | 98 | Feb 2026 |
| 54 | osmocom.org | 6.88/10 | 470 | 212 | Feb 2023 |
| 55 | ovirt.org | 6.75/10 | 400 | 271 | Aug 2022 |
| 56 | sugarlabs.org | 6.37/10 | 71 | 6 | Mar 2026 |
| 57 | x2go.org | 6.26/10 | - | - | May 2025 |
| 58 | trustedfirmware.org | 6.21/10 | 120 | 62 | Mar 2023 |
| 59 | openeuler.org | 6.15/10 | 56 | 179 | Dec 2024 |
| 60 | chirpmyradio.com | 3.63/10 | - | - | Jun 2024 |
| 61 | cnsorg.org | 4.76/10 | - | - | Sep 2025 |
| 62 | dbsj.org | 4.73/10 | - | - | Apr 2025 |
| 63 | elra.info | 5.70/10 | 460 | 23 | Aug 2022 |
| 64 | kamailio.org | 5.68/10 | 320 | 116 | Feb 2023 |
| 65 | mailman3.org | 5.56/10 | - | - | Aug 2022 |
| 66 | debian.or.jp | 5.44/10 | 1 | 9 | Aug 2024 |
| 67 | georezo.net | 4.42/10 | - | - | Feb 2026 |
| 68 | iem.at | 5.82/10 | - | - | Sep 2024 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →
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