MailBench
MailBench is SMTP server design, storage, and throttling in a multi-tenant email sandbox that ships as one Go binary.. It is ranked #3935 on the Dev Radar, in Languages & runtimes, first seen 5 days ago and shared in 1 post (14 views).
How we built MailBench in Go | MailBench Skip to content Sign in Start free Blog · 24 October 2026 How we built MailBench in Go In the last post I said we’d write up the stack. This is that post. It covers how the SMTP server works, where the email goes once it arrives, and how we stop one noisy customer (or one bored attacker) from ruining it for everyone else. Short version: MailBench is one Go binary, one Postgres database and a folder of files. That’s it. No queue, no Redis, no Kafka. Most of this post is about why that turned out to be enough, and the few places where it almost wasn’t. The shape of the thing MailBench does four jobs:…
What people said about MailBench on X
@MailBenchDev runs on one Go binary, one Postgres database and a folder of files. No Redis. No Kafka. No queue. We just published how we built it, from SMTP design to throttling and what we would change. Read it: https://mailbench.dev/blog/how-we-built-mailbench-in-go #MailBench #GoLang #SMTP #BackendDev
— @seo_expert_bd, 5 days ago · 1 likes · see the post
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MailBench in numbers
- Rank on the Dev Radar: #3935 of 8798
- Shared in 1 post by 1 account: @seo_expert_bd
- 14 views on those posts
- First seen 5 days ago, last shared 5 days ago
- Pricing seen by AGK Intelligence: not stated
- Market: Languages & runtimes
FAQ
What is MailBench?
SMTP server design, storage, and throttling in a multi-tenant email sandbox that ships as one Go binary. It was first shared on X 5 days ago and is ranked #3935 on the Dev Radar.
Is MailBench free?
Pricing is not stated on the page we read.
Who shared MailBench?
1 account on X, including @seo_expert_bd, in 1 post totalling 14 views.
Every post is read and classified by AGK Intelligence: what it is, which market it belongs to, and whether the link is a real tool. 31.2k posts from 5k X accounts over the last 21 days, 8.8k tools, 12 markets. New posts are collected several times an hour and the full ranking is recomputed every hour — last update 2026-10-30 20:22 UTC. Full method.