In message <20151221131853.GA3409@???>, Evgeniy Berdnikov
<bd4@???> writes
> IMHO, posted logs show indications of broken Path MTU Discovery.
> Traffic dump between client and Yahoo relay may clarify this issue.
I entirely agree that a PCAP of a connection is going to reveal
considerably more than what appears in the Exim logs. It shortcuts a lot
of questions about configuration &c
- --
richard Richard Clayton
Those who would give up essential Liberty, to purchase a little temporary
Safety, deserve neither Liberty nor Safety. Benjamin Franklin 11 Nov 1755
