KumoMTA vs Stalwart Mail Server

KumoMTA plans

• CommunityPriced on request
• Silver sponsorship$5,000 a year
• Gold sponsorship$10,000 a year
• Enterprise sponsorshipPriced on request

Stalwart Mail Server plans

• CommunityFree
• Enterprise: 25–499 mailboxes$2.40 a year
• Enterprise: 500–999 mailboxes$2.04 a year
• Enterprise: 1,000–4,999 mailboxes$1.74 a year
• Enterprise: 5,000–10,000 mailboxes$1.48 a year
• Enterprise: 10,000–49,999 mailboxes$1.25 a year

Pick KumoMTA if…

You want what its maker publishes above — check its page for the details.

Pick Stalwart Mail Server if…

You want what its maker publishes above — check its page for the details.