Instead of grommunio
grommunio alternatives
Apps that do what grommunio does, from the email server software list, the ones you can start free with first.
- 1
Dovecot
Free plan LinuxSelf-hosted - 2
mailcow
Free plan AndroidiPhoneLinux+2 - 3
MailEnable
Free plan AndroidiPhoneSelf-hosted+2 - 4
Mailu
Free plan APILinuxSelf-hosted+1 - 5
Maddy Mail Server
Free plan LinuxSelf-hosted - 6
poste.io
Free plan APILinuxSelf-hosted+1 - 7
Docker Mailserver
Free plan LinuxSelf-hosted - 8
Mail-in-a-Box
Free plan APILinuxSelf-hosted+1 - 9
Modoboa
Free plan LinuxSelf-hostedWeb - 10
SmarterMail
Free plan AndroidiPhoneLinux+3 - 11
Stalwart Mail Server
Free plan APILinuxMac+3 - 12
Zimbra Collaboration
Free plan AndroidiPhoneLinux+4 - 13
Pegasus Mail
Free plan Windows - 14
Postfix
Free plan LinuxMacSelf-hosted - 15
KumoMTA
Free plan Linux - 16
Whitemail
Free plan AndroidiPhoneWeb - 17
OpenSMTPD
Free plan LinuxMac - 18 5.7 Visit site
- 19
Synology MailPlus Server
Free plan AndroidiPhoneWeb - 20 5.6 Visit site
- 21
RabiMail
Paid AndroidiPhoneLinux+3 - 22
CommuniGate Pro
Paid LinuxMacWindows - 23
EVO Mail Server
Paid Windows - 24
GreenArrow Engine On-Premises
Paid Linux