Installare Zimbra su Ubuntu
Settembre 29, 2021Preparare il sistema
snap install core; sudo snap refresh core
apt-get remove certbot
snap install --classic certbot
ln -s /snap/bin/certbot /usr/bin/certbot
certbot renew --dry-run
sudo hostnamectl set-hostname mailserver.DOMINIO.it
nano /etc/hosts
192.168.1.235 mailserver.DOMINIO.it mailserver
Installazione Zimbra
Versione 8.8.15 Ubuntu 18
https://files.zimbra.com/downloads/8.8.15_GA/zcs-8.8.15_GA_3869.UBUNTU18_64.20190918004220.tgz
Versione 8.8.15 Ubuntu 20
https://files.zimbra.com/downloads/8.8.15_GA/zcs-8.8.15_GA_4179.UBUNTU20_64.20211118033954.tgz
Versione 9
wget download.zextras.com/zcs-9.0.0_OSE_UBUNTU18_latest-zextras.tgz
tar -zxvf zcTAB
cd zcTAB
./install.sh
Non installare dns caches
Installare Certificato
certbot certonly --standalone -d mailserver.DOMINIO.it --preferred-chain "ISRG Root X1"
cp /etc/letsencrypt/live/mailserver.DOMINIO.IT/privkey.pem /opt/zimbra/ssl/zimbra/commercial/commercial.key
chown zimbra:zimbra /opt/zimbra/ssl/zimbra/commercial/commercial.key
wget -O /tmp/ISRG-X1.pem https://letsencrypt.org/certs/isrgrootx1.pem.txt
cat /tmp/ISRG-X1.pem >> /etc/letsencrypt/live/mailserver.DOMINIO.IT/chain.pem
mkdir /opt/zimbra/ssl/letsencrypt
cp /etc/letsencrypt/live/mailserver.DOMINIO.it/* /opt/zimbra/ssl/letsencrypt/
chown zimbra:zimbra /opt/zimbra/ssl/letsencrypt/*
su zimbra
zmcontrol stop
cd /opt/zimbra/ssl/letsencrypt
/opt/zimbra/bin/zmcertmgr verifycrt comm privkey.pem cert.pem chain.pem
cp -a /opt/zimbra/ssl/zimbra /opt/zimbra/ssl/zimbra.$(date "+%Y%m%d")
/opt/zimbra/bin/zmcertmgr deploycrt comm cert.pem chain.pem
zmcontrol start
Installare Zextras
wget http://download.zextras.com/zextras_suite-latest.tgz
tar -zxvf zextras_suite-latest.tgz
cd zextras_suite
./install.sh all
Zextras Backup su disco dedicato
mkdir /media/zextrasbackup
fdisk -l
fdisk /dev/sdb
o
n
p
w
mkfs.ext4 /dev/sdb1
sudo blkid
echo 'UUID=a0412828-5a2d-4803-82b0-1c0aa802d8c4 /media/zextrasbackup ext4 rw,defaults 0 0' >>/etc/fstab
sudo mount -a
chown zimbra:zimbra /media/zextrasbackup/
Disabilitare avviso loop al 100%
zmlocalconfig -e zmstat_df_excludes='/dev/loop0:/dev/loop1:/dev/loop2:/dev/loop3:/dev/loop4:/dev/loop5:/dev/loop6'
zmstatctl restart
Creare DKIM
/opt/zimbra/libexec/zmdkimkeyutil -a -d dominio.it
Dimensioni Messaggio e allegati
Imposrtazione attuale
postconf message_size_limit
Aumentare a 5MB dimensione messaggio
zmprov modifyConfig zimbraMtaMaxMessageSize 5120000
postfix reload
Dimensione allegati a 50mb
zmprov modifyConfig zimbraFileUploadMaxSize 50000000
postfix reload