On Thu, 20 Apr 2017 10:41:21 -0400 Lyle Evans wrote: > I have been getting false positives from Yahoo due to > FORGED_MUA_MOZILLA hitting on a new X-Mailer line added by Yahoo > about 3/31/17 > > The X-Mailer line reads: > > X-Mailer: WebService/1.1.9272 YahooMailNeo Mozilla/5.0 (Windows NT > 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) > Chrome/56.0.2924.87 Safari/537.36 /DCE\)/
My guess is that they are including the http user-agent header of the browser that connected to their webmail server.
