On 3/18/2019 12:58 PM, Michael Peddemors wrote:
> Reported to our support teams, an over night filter rule update on Cisco 
> IronPorts results in messages being modified incorrectly..
> If anyone is trying to deal with increased reports of problems 
> sending/receiving email through companies using IronPorts this morning..

Saw it here.  The line folding of their IronPort-Data header is broken. It is 
terminating the folded lines with <LF> instead of <CRLF> .i.e. a "bare" "LF".

John J.

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