Pricing
Opterius Mail pricing
As opterius.com lists them, read 19 Sept 2026. The maker's own page has the final word.
| Plan | Billed and limits | Price |
|---|---|---|
| Free | Free forever · Open-source AGPL-3.0 software · Webmail and administration features included | Free |
| Opterius Mail | Free forever · All features included · open source under AGPL-3.0 | Free |
From opterius.com.