Month: August 2019

Need Help ? Do you need an expert to solve your server problems ? Are you looking for a long term support solution?. Request A Quote Hire an Admin Check system requirements https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.0/Single_Server_Installation#System_Requirements prerequisites Before we get started, here are a few things that are required before we proceed with the installation. A clean installation of …

How to install zimbra collaboration suite 8.8.11 on CentOS 7 Read More »

Zimbra does not support migration of two different versions of Zimbra collaboration suite easily or support tool so we need to manually take everything as a backup in the old server and then transfer to new server. Requirements : old server: SSH login with root user Admin log in as a Zimbra user Enough Hard disk …

Migration of two different zimbra collaboration suite servers Read More »

I was changing some settings to acheive the mail rules. So we need to flush the settings using this command..postconf -e smtpd_restriction_classes=’ ‘zmmtactl reload

Open file /opt/zimbra/conf/zmconfigd/smtpd_sender_restrictions.cf and remove this line from the top %%contains VAR:zimbraMtaSmtpdSenderRestrictions check_sender_access lmdb:/opt/zimbra/postfix/conf/restricted_senders%%

check zimbra logs if you found port conflict error logorcheck 25 port by # netstat -tulpn if other program using 25 port then note PID of that program and kill # kill -9 1285 after killing PID 1285 run # zmcontrol start

1.ZCS 8.8.15: Enter in file /opt/zimbra/conf/zmconfigd/smtpd_recipient_restrictions.cf check_sender_access lmdb:/opt/zimbra/common/conf/restricted_senders 2.ZCS 8.8.15: Enter in file /opt/zimbra/conf/zmconfigd.cf vi /opt/zimbra/conf/zmconfigd.cfFind the section labeled SECTION mta and enter the following two lines directly belowPOSTCONF smtpd_restriction_classes local_onlyPOSTCONF local_only FILE postfix_check_recipient_access.cf 3. Create a file “/opt/zimbra/conf/postfix_check_recipient_access.cf” vi /opt/zimbra/conf/postfix_check_recipient_access.cfcheck_recipient_access lmdb:/opt/zimbra/common/conf/local_domains, reject 4. Create a file “/opt/zimbra/common/conf/restricted_senders” and list all the users, whom you want to …

Restricting users to send mails to certain domains only Zimbra(whitelist method) Read More »

vi /opt/zimbra/conf/relay_password [smtp.sendgrid.net]:2525 username:password Next, run the following commands in order to configure Zimbra’s MTA to use your above SMTP credentials to relay all outgoing email.postmap /opt/zimbra/conf/relay_password postmap -q [smtp.sendgrid.net]:2525 /opt/zimbra/conf/relay_password zmprov ms `zmhostname` zimbraMtaSmtpSaslPasswordMaps lmdb:/opt/zimbra/conf/relay_password With the smtp_sasl_password_maps parameter, we configure the Postfix SMTP client to send username and password information to the mail gateway server. zmprov …

Zimbra SMTP Relay Through SendGrid for google cloud Read More »

There are millions of deployments of Zimbra Open Source Edition around the world. many of them required to assign Domain administration delegation instead of giving a user the full global administration access. as far the Zimbra Open Source edition does not have the feature to assign per domain administration which is available on Network Editions …

Domain admin delegation on Zimbra Open Source Read More »

1.ZCS 8.x: Enter in file /opt/zimbra/conf/zmconfigd/smtpd_recipient_restrictions.cf check_sender_access lmdb:/opt/zimbra/common/conf/restricted_senders 2.ZCS 8.8.11: Enter in file /opt/zimbra/conf/zmconfigd.cf vi /opt/zimbra/conf/zmconfigd.cfFind the section labeled SECTION mta and enter the following two lines directly belowPOSTCONF smtpd_restriction_classes local_onlyPOSTCONF local_only FILE postfix_check_recipient_access.cf 3. Create a file “/opt/zimbra/conf/postfix_check_recipient_access.cf” vi /opt/zimbra/conf/postfix_check_recipient_access.cfcheck_recipient_access lmdb:/opt/zimbra/common/conf/local_domains, permit 4. Create a file “/opt/zimbra/common/conf/restricted_senders” and list all the users, whom you want to …

Restricting users to send mails to certain domains or public domains in Zimbra(Blacklist method) Read More »