On Thu, 7 Jul 2016 10:03:37 -0500 Lorenzo Thurman wrote: y > > > On Jul 7, 2016, at 8:14 AM, Antony Stone > > <antony.st...@spamassassin.open.source.it> wrote:
> > There's a big difference between subdomains, and domains with > > letters in front of "microsoft". > > > > \.microsoft\.com$ will match anything ending in ".microsoft.com" > > > > That means it will match www.microsoft.com and cdn.microsoft.com > > for example, but it will not match > > kajsdhfkjasghdskghlaskfhmicrosoft.com or onmicrosoft.com > > > > The dot in front of "microsoft" in the regex is important :) > > Great, thanks. You can't use a regex in a whitelisting entry.