Zimbra Outgoing SMTP IP per Domain 1. Add the following line in “/opt/zimbra/postfix/conf/main.cf” sender_dependent_default_transport_maps = regexp:/opt/zimbra/postfix/conf/sdd_transport_maps.regexp 2. Create the file “/opt/zimbra/postfix/conf/sdd_transport_maps.regexp” and add the domains as below /@example\.com$/ …
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Category: Postfix
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25Feb, 2016
Online System/Network Admin Tools
1. MXTOOLBOX: One of the most popular website to check MX Records, Blacklist Status, SPF, DKIM, DNS, OPEN Ports etc … website: http://www.mxtoolbox.com 2. WHATISMYDNS: Want to check the global propogation status of your…
03Feb, 2016
Disable IPV6 on CentOS 6.x servers
1. Edit /etc/sysctl.conf and add the following line net.ipv6.conf.all.disable_ipv6 = 1 2. Edit /etc/sysconfig/network and add the following line NETWORKING_IPV6=no 3. Edit /etc/sysconfig/network-scripts/ifcfg-eth0 and add the following line IPV6INIT=no 4. Stop iptables6 service service iptables6 stop 5. Disable…
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