Stack census— back to the censusSurvey 016 · 07.10.2026

Communication - Email - Mailing Lists and Newsletters · open source · awesome-selfhosted

Postorius

docs.mailman3.org · HTTP 200 in 2,096 ms

7 things were found in the response on 07.10.2026. This is the front door only: whatever runs behind a login, and anything a browser would have to execute to reveal, is not here.

What the page is built with

jQueryjavascript libraries
  • script — _static/jquery.js?v=5d32c60e

Where it is served from

Amazon S3cdn
  • header — x-amz-server-side-encryption: AES256
Amazon Web Servicespaas
  • header — x-amz-id-2: qVENqZ2Iek4X8NleYJzMI4BEAZfLROzWb8p4Om0gBc74m0HdeQTWcmNeZ36uGqLjgIanYfsoEfM56UoKFHHvhR2hS…
  • header — x-amz-request-id: R8DSNAAQY4SY4K6D
Cloudflarecdn
  • header — server: cloudflare
  • header — cf-cache-status: HIT

Where their email goes

Google Workspacewebmail · email
  • dns — MX 5 alt1.aspmx.l.google.com
  • dns — MX 5 alt2.aspmx.l.google.com

What stands at the door

Cloudflare Bot Managementsecurity
  • cookie — cookie __cf_bm

Everything else

HTTP/3miscellaneous
  • header — alt-svc: h3=":443"; ma=86400

Back to the census.