On 12/19/19 5:52 PM, Hector Santos wrote:
The fact is, there is a SMTP protocol rule of using a HELO/EHLO
[ip-literal] that MUST match the connection IP.
The more the IPv4 network is polluted with NATs, the less viable this
rule will be. But we can hope that the IPv4 public network will be
decommissioned soon. :)
Keith
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