They pop up in email newsletters or on partner websites, but finding active ones takes effort and many are outdated by the time you see them.
https://2dz.pt/pipermail/news2dz_2dz.pt/2025-March/000001.html
https://griebalsys.de/pipermail/balliste_griebalsys.de/2024-December/000006.html
https://www.vi-hub.de/pipermail/vih-test/2025-February/000008.html
https://yourmusicschool.co.uk/pipermail/allteachers_yourmusicschool.co.uk/2026-August/000003.html
https://smalljobplumber.co.uk/pipermail/smalljobplumber_smalljobplumber.co.uk/2026-August/000000.html
https://esay.edu.mx/pipermail/personaladministrativo_esay.edu.mx/2024-October/000008.html
https://tsahofheim.de/pipermail/paypal_tsahofheim.de/2024-November/000003.html
https://rosa-nova.pl/pipermail/webshop_rosa-nova.pl/2024-October/000007.html
https://historia.edu.sv/pipermail/directoracademiash_historia.edu.sv/2024-October/000017.html
https://freienseiten.de/pipermail/development_freienseiten.de/2025-January/000006.html
https://perwira.edu.my/pipermail/ketuabidang_perwira.edu.my/2024-October/000001.html
https://griebalsys.de/pipermail/balliste_griebalsys.de/2025-February/000010.html
https://grafplast.pl/pipermail/lista1_grafplast.pl/2025-March/000024.html
https://sterigat.pl/pipermail/promocja_sterigat.pl/2024-December/000009.html
https://clairene.pl/pipermail/clrn_clairene.pl/2025-February/000012.html
https://radicalimilano.it/pipermail/radicali_radicalimilano.it/2025-March/000000.html
https://stowdeb.pl/pipermail/test_stowdeb.pl/2025-February/000010.html
https://rootsschool.edu.pk/pipermail/branchheads_rootsschool.edu.pk/2024-October/000007.html
https://mecca.nl/pipermail/mecc1040_mecca.nl/2025-January/000001.html
https://sjoen.no/pipermail/starcksjoen/2024-August/000002.html