Communication·Standings

Email Server Software — page 2

  • 33 platforms
  • 2 with a free tier
  • Checked 24 Oct 2026
  • Showing 26–33
  1. 26
    SM
    Stalwart Mail ServerStalwart Labs

    Mail server has a free Community plan and an Enterprise plan priced at $2.40 a year.

    5.0 APIOpenFree Free tier · from $2.40/yr
  2. 27
    O
    OpenSMTPDopenbsd.org
    4.9 APIOpenFree Free tier
  3. 28
    R
    RabiMailrabimail.com

    Paid email service starts at ₹199 monthly and includes mailbox storage and marketing sends.

    4.8 APIOpenFree From ₹199/mo
  4. 29
    CP
    CommuniGate Procommunigatepro.ru
    4.3 APIOpenFree —
  5. 30
    EM
    EVO Mail Serverevomailserver.com

    Windows mail server with perpetual plans starting at $259 for unlimited accounts.

    4.3 APIOpenFree $259 one-time
  6. 31
    GE
    GreenArrow Engine On-Premisesgreenarrowemail.com

    Linux on-premises mail engine priced from $600 monthly or $6,000 perpetual.

    4.3 APIOpenFree From $600/mo
  7. 32
    MS
    4.3 APIOpenFree $1,499 one-time
  8. 33
    ME
    4.1 APIOpenFree —

Some top positions on this board can be paid placements, standing where they were sold. The facts on each platform are not for sale. How we rank · Disclosure