This maybe a good link for support

[Christopher Atlan]

Explains pretty detailed what changed:

Mail in Mavericks Changes the Gmail Equation
https://tidbits.com/article/14219

Cheers,
Christopher

[Scott Morrison]

So....

Basically, Apple fucked up Mail. :)

as if we didn't know this already but Joe puts it more elegantly than "Apple fucked up Mail"

We have already been directing people to the article for a good read.

Scott


Scott Morrison
sm...@indev.ca

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[Christopher Atlan]

Another interesting read:
http://blog.fastmail.fm/2013/10/26/mac-os-10-9-infinity-times-your-spam/