Kai Schaetzl wrote:
My mail logs are showing that customers who specifically disallow ICMP
traffic have many "Connection Reset" entries in our logs:
Could somebody explain why ICMP might play a role in mail delivery?
It is required for any TCP conversation, unless as a matter of luck you
happen to have the same MTU capability across the whole path - or the
end points restrict their MTUs arbitrarily to a size that everything can
handle.
--
Les Mikesell
lesmikesell@xxxxxxxxx
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