#opensmtpd
Live, measured metrics for the hashtag #opensmtpd from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #opensmtpd
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mas.to (Mastodon public tags API) · fetched 2026-09-26 17:12 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mas.to (Mastodon public search API) · fetched 2026-09-26 17:12 UTCNo related tags with measured usage found for #opensmtpd.
Live pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-09-26 17:12 UTCEverything below is measured over the latest 40 public posts (spanning ~13019 hours).
Posting hours (UTC) — busiest: 18:00
Languages: English (33) · French (1)
Avg boosts / post: 3.4
Top of the latest posts
Repost for the Sunday crowd: Migrating mail servers from exim to OpenSMTPD (smtpd) is fun and useful https://www.undeadly.org/cgi?action=article;sid=20260516064650 #openbsd #opensmtpd #smtpd #exim #email #smtp #mail #spam #antispam #greylis
We are very close to a new OpenBSD release. "You Have Installed OpenBSD. Now For The Daily Tasks." https://nxdomain.no/~peter/openbsd_installed_now_for_the_daily_tasks.html can help you prepare for the upgrade. If you are using exim as your
I remember that a few months ago, there was a bit of a brouhaha around #dovecot removing a few features in the next release of the free open source version of the server (as is their right, I'm stating a fact and not complaining about it).
What “opensmtpd” means
WikipediaOpenSMTPD is a Unix daemon implementing the Simple Mail Transfer Protocol to deliver messages on a local machine or to relay them to other SMTP servers. It was publicly released on 17 March 2013 with version number 5.3, after being in development since late 2008.
“OpenSMTPD” on Wikipedia (CC BY-SA) →#opensmtpd across platforms
every network with a public tag surfaceFollow #opensmtpd straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/opensmtpd