Can I open-source Clean Email?
KINDA · partial or early alternativesKinda. Stalwart and Listmonk cover the core of Clean Email, but they're early or partial — expect gaps like sender reputation, deliverability, and suppression handling and provider-grade deliverability.
Clean Email: Email is infrastructure. Customers pay to avoid lost messages, broken auth, spam problems, and the reputational cost of a flaky inbox.
xsender reputation, deliverability, and suppression handling
xprovider-grade deliverability
xpush reliability across devices
xteam routing and shared inbox rules
xabuse response and security operations
These projects already replace it, free.
LListmonkHigh-performance single-binary newsletter and mailing list manager with campaigns, templates, and Postgres backendopen source↗SStalwartModern all-in-one mail server in Rust with JMAP, IMAP, and SMTP plus built-in spam filtering.open source↗What each one is, in full: Listmonk · Stalwart
no votes, no pay-to-list · just what's real
Clean Email pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/user | $0/user | Clean up to 1,000 messages; unsubscribe from 25 subscriptions; no Auto Clean, Screener, or premium sender/list settings |
| premium, 1 account | $9.99 | $2.50 | 1 email account; unlimited email cleaning; all current and future features |
| premium, 5 accounts | $19.99 | $4.17 | 5 email accounts; unlimited email cleaning; all current and future features |
| premium, 10 accounts | $29.99 | $8.33 | 10 email accounts; unlimited email cleaning; all current and future features |
free tierClean up to 1,000 messages and unsubscribe from 25 subscriptions; premium-only automation/settings excluded; optional 14-day premium trial
billingmonthly + annual; annual plans save up to 70%; cancel or change plan at any time
hidden costsPricing jumps by mailbox bundle: managing more than 1 account requires the 5-account plan, and more than 5 requires the 10-account plan.
verified 2026-08-12 · source ↗
Can I open-source Clean Email?
Kinda. Listmonk covers the core of Clean Email, but there are real gaps: sender reputation, deliverability, and suppression handling, provider-grade deliverability. Read the honest list above before committing.
How much does Clean Email cost?
Clean Email's pricing is usage-based or varies by plan · The official pricing URL is recorded, but a stable current amount was not safely recoverable in this pass. Do not publish a number until rechecked..
What do I lose by replacing Clean Email?
Honestly: sender reputation, deliverability, and suppression handling; provider-grade deliverability; push reliability across devices; team routing and shared inbox rules; abuse response and security operations. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Clean Email?
Yes: Listmonk (High-performance single-binary newsletter and mailing list manager with campaigns, templates, and Postgres backend) Stalwart (Modern all-in-one mail server in Rust with JMAP, IMAP, and SMTP plus built-in spam filtering.)