Can I open-source SaneBox?
KINDA · partial or early alternativesKinda. Stalwart and Listmonk cover the core of SaneBox, but they're early or partial — expect gaps like push reliability across devices and team routing and shared inbox rules.
SaneBox: Email is infrastructure. Customers pay to avoid lost messages, broken auth, spam problems, and the reputational cost of a flaky inbox.
xpush reliability across devices
xteam routing and shared inbox rules
xabuse response and security operations
xsender reputation, deliverability, and suppression handling
xprovider-grade deliverability
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
SaneBox pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| snack | $7 | $4.92 | 1 email account; choose any 2 SaneBox features and swap those selections at any time. |
| lunch | $12 | $8.25 | Up to 2 email accounts; choose any 6 SaneBox features and swap those selections at any time. |
| dinner | $36 | $24.92 | Up to 4 email accounts; access to all SaneBox features. |
free tierno free tier; 7-day full-feature trial
billingmonthly + annual + 2-year prepaid; plans auto-renew
hidden costsLower tiers cap both connected mailboxes and selectable features; more than 4 email accounts requires contacting support. The lowest advertised rates require a 24-month prepayment ($109/$179/$529).
verified 2026-08-12 · source ↗
Can I open-source SaneBox?
Kinda. Listmonk covers the core of SaneBox, but there are real gaps: push reliability across devices, team routing and shared inbox rules. Read the honest list above before committing.
How much does SaneBox cost?
SaneBox'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 Do not publish a number until rechecked..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 SaneBox?
Honestly: push reliability across devices; team routing and shared inbox rules; abuse response and security operations; sender reputation, deliverability, and suppression handling; provider-grade deliverability. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to SaneBox?
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.)