On 06.12.19 19:22, e...@chinabuckets.com wrote:
given a domain has two mx servers:
domain.com. 5 mx1.domain.com.
domain.com. 10 mx2.domain.com.
when someone's delivery agent can't talk to mx1 due to network issues,
he may retry to deliver messages to mx2.
if mx2 get the messages successfully, how does it relay the mssages to
mx1 for mail store?
it will follow the MX records. You need to configure domains postfix will
relay mail to, either using relay_domains or permit_mx_backup_networks
also, if your mailserver is behind NAT, you may need to configure
proxy_interfaces
to contain public IP address(ed) that map to it.
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Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
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