Please see Exchange ActiveSync for Zimbra Open Source Edition article here : https://imanudin.net/2019/08/30/exchange-activesync-for-zimbra-open-source-edition/

zcs-zpush

This repository is source for integrating Zimbra Single Server and Z-Push + Zimbra Backend to achieve ActiveSync on Zimbra OSE.

Integrating Zimbra and Z-push on CentOS 7

Install dependecies

yum install epel-release -y
yum update -y
yum upgrade -y
yum install git php-cli php-soap php-process php-mbstring -y

Clone repo

git clone https://github.com/imanudin11/zcs-zpush.git

Create folder for log

mkdir /var/lib/z-push /var/log/z-push
chmod 755 /var/lib/z-push /var/log/z-push
chown zimbra:zimbra /var/lib/z-push /var/log/z-push

Save z-push folder on /opt/

cp -rvf z-push /opt/

Create symlink

ln -sf /opt/z-push /opt/zimbra/jetty/webapps/

Save php script on /usr/bin

cp php-cgi-fix.sh /usr/bin/php-cgi-fix.sh
chmod +x /usr/bin/php-cgi-fix.sh

Change publicHostname domain on your Zimbra into localhost

su - zimbra -c 'zmprov md yourzimbradomain.tld zimbraPublicServiceHostname localhost'
su - zimbra -c 'zmprov md yourzimbradomain.tld zimbraPublicServiceProtocol https'

Backup and replace jetty.xml.in

cp /opt/zimbra/jetty/etc/jetty.xml.in /opt/zimbra/jetty/etc/jetty.xml.in.backup
cp jetty.xml.in-for-zcs-8815 /opt/zimbra/jetty/etc/jetty.xml.in
chown zimbra.zimbra /opt/zimbra/jetty/etc/jetty.xml.in

Replace php.ini

cp /etc/php.ini /etc/php.ini.backup
cp php.ini /etc/php.ini

Restart Zimbra Mailbox

su - zimbra -c 'zmmailboxdctl restart'

For testing, please access https://ip-of-zimbra/Microsoft-Server-ActiveSync from your browser. Or you can configure your mobile devices and ensure exchange as protocol