Community
Free
AGPL-3.0 licensed · Self-hosted deployment · Standard mail and collaboration protocols
Checked 21 Sep 2026
Plans and prices
Stalwart Mail Server pricing
Enterprise: 25–499 mailboxes
$2.40 a year
25–499 mailboxes
Checked 21 Sep 2026
Enterprise: 500–999 mailboxes
$2.04 a year
500–999 mailboxes
Checked 21 Sep 2026
Enterprise: 1,000–4,999 mailboxes
$1.74 a year
1,000–4,999 mailboxes
Checked 21 Sep 2026
Enterprise: 5,000–10,000 mailboxes
$1.48 a year
5,000–10,000 mailboxes
Checked 21 Sep 2026
Enterprise: 10,000–49,999 mailboxes
$1.25 a year
10,000–49,999 mailboxes
Checked 21 Sep 2026
Enterprise: 50,000–99,999 mailboxes
$1.09 a year
50,000–99,999 mailboxes
Checked 21 Sep 2026
Enterprise: 100,000+ mailboxes
Priced on request
100,000+ mailboxes
Checked 21 Sep 2026
Community Edition
Free
Community Edition
Checked 30 Sep 2026
Enterprise — 50,000 to 99,999 mailboxes
$1.09 a year
50,000 to 99,999 mailboxes
Checked 30 Sep 2026
Enterprise — 10,000 to 49,999 mailboxes
$1.25 a year
10,000 to 49,999 mailboxes
Checked 30 Sep 2026
Enterprise — 5,000 to 10,000 mailboxes
$1.48 a year
5,000 to 10,000 mailboxes
Checked 30 Sep 2026
Enterprise — 1,000 to 4,999 mailboxes
$1.74 a year
1,000 to 4,999 mailboxes
Checked 30 Sep 2026
Enterprise — 500 to 999 mailboxes
$2.04 a year
500 to 999 mailboxes
Checked 30 Sep 2026
Enterprise — 25 to 499 mailboxes
$2.40 a year
25 to 499 mailboxes
Checked 30 Sep 2026
Enterprise — 100,000 mailboxes and beyond
Priced on request
100,000 mailboxes and beyond
Checked 30 Sep 2026