Opterius Mail

6.4easy start · #91of 143
in Email clients

Free to practise onyes
Well documentedno
Runs where you workno

Runs on Web.

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Opterius Mail is ranked #91 of 143 in email clients on The Geeks Club, made by Opterius Mail (Romania). It runs on Web. There is a free plan.

Opterius Mail plans and pricing

Free Free Free forever · Open-source AGPL-3.0 software · Webmail and administration features included opterius.com · 19 Sept 2026

Compared on email clients

Free plan: Yes
App coverage: web

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