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Category: Postfix

DebianLinuxMail ServersPostfixRedHatZimbra

Zimbra: Assign a dedicated Outgoing SMTP IP for a domain

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 ...

IAMEM HOST
 March 8, 2016 No Comments
cPanelDebianEximHostingLinuxMail ServersPleskPostfixQmailRedHatZimbra

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 ...

IAMEM HOST
 February 25, 2016 No Comments
cPanelDebianEximHostingLinuxMail ServersPleskPostfixQmailRedHatZimbra

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 ...

IAMEM HOST
 February 3, 2016 No Comments