A CLEARER SHORTLIST
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THE COST FOR YOUR TEAM
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Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
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| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
| No pricing recorded yet. Check the official site, or ask the owner to add it. | |||
stalw
Best fit
Organizations seeking a secure, scalable, and easy-to-operate mail and collaboration server with modern and legacy protocol support.; Teams wanting an all-in-one solution for email, calendars, contacts, and file sharing with integrated spam and phishing protection.
Trade-offs
Requires root access and outgoing HTTPS connectivity for installation on Linux or MacOS.; Temporary administrator password is shown only once at startup and must be retrieved from logs for initial setup.
Integrations / export
Supports authentication via built-in directory, LDAP, Active Directory, OAuth 2.0, OpenID Connect, and SQL directories., Full-text search can be internal or delegated to Meilisearch, Elasticsearch, OpenSearch, PostgreSQL, or MySQL/MariaDB., Cluster coordination can be coordinator-less with peer-to-peer Zenoh or use Apache Kafka, Redpanda, NATS, or Redis., Automated DNS publishing supports Cloudflare, AWS Route 53, Google Cloud DNS, Azure DNS, DigitalOcean, OVH, Bunny DNS, Porkbun, DNSimple, Spaceship, deSEC, and RFC 2136 dynamic updates., Built-in spam filtering plus integration with SpamAssassin, RSPAMD, Pyzor, and DNSBL providers via Milter or MTA Hooks.