#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.

hashtag.org network · sponsored

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.

$51.02/ year · 9-character #name
Claim #opensmtpd — $51.02/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
5.4
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-28 03:14 UTC
0
09-22
0
09-23
0
09-24
0
09-25
0
09-26
0
09-27
0
09-28

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.social (Mastodon public search API) · fetched 2026-09-28 03:14 UTC

No related tags with measured usage found for #opensmtpd.

Live pulse

measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-28 03:14 UTC

Everything below is measured over the latest 40 public posts (spanning ~8693 hours).

Posting hours (UTC) — busiest: 18:00

00:0012:0023:00

Languages: English (25) · Finnish (3) · French (1) · Italian (1)

Avg boosts / post: 3.9

Top of the latest posts

  • Friends of #opensource and #BSD, I am presenting you a new #blog: BSD Audit! https://bsd-audit.com/ ⁉️ Covers #OpenBSD, #FreeBSD and others. 💡 The goal is to share knowledge, in-depth, with care 🤖 No AI, only human content The first big a

    Michael Boelen@mboelen♥ 55↻ 332026-08-07 18:01 UTCView post →
  • 🐡 Running your own mail server with OpenBSD and OpenSMTPD https://bsd-audit.com/self-hosting/running-your-own-mailserver/ #openbsd #OpenSMTPD #selfhosting

    jbz@[email protected]♥ 29↻ 202026-08-10 18:00 UTCView post →
  • OpenSMTPD Is The Mail Server For The Future https://nxdomain.no/~peter/time_for_opensmtpd.html Migrating to OpenSMTPD from exim on OpenBSD was joyfully painless and smooth. #openbsd #opensmtpd #email #smtpd #rspamd #spam #antispam #greylist

    Peter N. M. Hansteen@pitrh♥ 28↻ 162026-05-15 06:32 UTCView post →

What “opensmtpd” means

Wikipedia

OpenSMTPD 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 surface

Follow #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