Zimbra Mail 8.15 - mta trust networks error
/var/log/zimbra.log
Jan 9 11:01:22 mail amavis[98061]: (!!)TROUBLE in pre_loop_hook: Invalid IPv4 network mask or CIDR prefix length [127.0.0.0/8,192.168.0.13/32,::1,2888:bb:30:300:2222:3fff:eeee:ca8d]
Jan 9 11:01:22 mail amavis[98061]: (!)_DIE: Suicide () TROUBLE in pre_loop_hook: Invalid IPv4 network mask or CIDR prefix length: [127.0.0.0/8,192.168.0.13/32,::1,2888:bb:30:300:2222:3fff:eeee:ca8d]
Jan 9 11:01:34 mail postfix/smtps/smtpd[98117]: fatal: open dictionary: expecting "type:name" form instead of "::1"
Jan 9 11:01:35 mail postfix/master[6018]: warning: process /opt/zimbra/common/libexec/smtpd pid 98117 exit status 1
Jan 9 11:01:35 mail postfix/master[6018]: warning: /opt/zimbra/common/libexec/smtpd: bad command startup -- throttling
The IPs line format is wrong! [127.0.0.0/8,192.168.0.13/32,::1,2888:bb:30:300:2222:3fff:eeee:ca8d]
How to Fix?
Settings > Zimbra Admin > Servers > MTA Trust Networks field. In the property format, loopback IPV4 and IPV6 must be included!
IPV4/mask IPV6/mask
127.0.0.0/8 192.168.0.13/32 ::1/128 2888:bb:30:300:2222:3fff:eeee:ca8d/64
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