14 Oct
2008
14 Oct
'08
4:58 p.m.
On Tue, October 14, 2008 09:31, Kai Schaetzl wrote:
Sean Carolan wrote on Tue, 14 Oct 2008 08:13:34 -0500:
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?
ICMP is involved in IP routing, including MTU discovery, announcing failed connections, and so forth. Email is delivered over IP. QED.
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David Dyer-Bennet, dd-b@dd-b.net; http://dd-b.net/
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