Signatures of replies sent by Google Inbox are not detected because there are no empty line between the quatation and the signature such as the following email.
Hi,
This is a test reply from Google Inbox.
On Wed, May 25, 2016 at 3:13 PM <notifications@github.com> wrote:
> LGTM
>
> —
> You are receiving this because you authored the thread.
> Reply to this email directly or view it on GitHub
>
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This is signature, but it is not detected.
Signatures of replies sent by Google Inbox are not detected because there are no empty line between the quatation and the signature such as the following email.