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Stalwart Mail Server pricing

As stalwart.email lists them, read 21 Sept 2026. The maker's own page has the final word.

PlanBilled and limitsPrice
CommunityFree under AGPL-3.0 · AGPL-3.0 licensed · Self-hosted deployment · Standard mail and collaboration protocolsFree
Enterprise: 25–499 mailboxesAnnual rate; tiered pricing · 25–499 mailboxes$2.40 a year
Enterprise: 500–999 mailboxesAnnual rate; tiered pricing · 500–999 mailboxes$2.04 a year
Enterprise: 1,000–4,999 mailboxesAnnual rate; tiered pricing · 1,000–4,999 mailboxes$1.74 a year
Enterprise: 5,000–10,000 mailboxesAnnual rate; tiered pricing · 5,000–10,000 mailboxes$1.48 a year
Enterprise: 10,000–49,999 mailboxesAnnual rate; tiered pricing · 10,000–49,999 mailboxes$1.25 a year
Enterprise: 50,000–99,999 mailboxesAnnual rate; tiered pricing · 50,000–99,999 mailboxes$1.09 a year
Enterprise: 100,000+ mailboxes100,000+ mailboxesOn request
Community EditionFree under AGPL-3.0 · Community EditionFree
Enterprise — 50,000 to 99,999 mailboxesUSD 1.09 per mailbox per year · 50,000 to 99,999 mailboxes$1.09 a year
Enterprise — 10,000 to 49,999 mailboxesUSD 1.25 per mailbox per year · 10,000 to 49,999 mailboxes$1.25 a year
Enterprise — 5,000 to 10,000 mailboxesUSD 1.48 per mailbox per year · 5,000 to 10,000 mailboxes$1.48 a year
Enterprise — 1,000 to 4,999 mailboxesUSD 1.74 per mailbox per year · 1,000 to 4,999 mailboxes$1.74 a year
Enterprise — 500 to 999 mailboxesUSD 2.04 per mailbox per year · 500 to 999 mailboxes$2.04 a year
Enterprise — 25 to 499 mailboxesUSD 2.40 per mailbox per year · 25 to 499 mailboxes$2.40 a year
Enterprise — 100,000 mailboxes and beyondObtain quote · 100,000 mailboxes and beyondOn request

From stalwart.email, stalwart.email.

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