How to solve Zimbra error "message does not meet IPv6 sending guidelines regarding PTR"
March 7, 2024
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As we are using MTA hence i have logged in to MTA server and checked postfix inet protocol and found it was enabled for all
Log into your server SSH and run the following commands:
root@mta:/etc/postfix# postconf inet_protocolsinet_protocols = allroot@mta:/etc/postfix# postconf inet_protocols=ipv4root@mta:/etc/postfix# postconf inet_protocolsinet_protocols = ipv4root@mta:/etc/postfix# service postfix restartroot@mta:/etc/postfix# Thank you!
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