OK. Log says:
Server: smtp.gmail.com
MAIL FROM:<lk4d4@docker.com>
RCPT TO:<lk4d4math@gmail.com>
RCPT TO:<mrunalp@gmail.com>
From: Alexander Morozov <lk4d4@docker.com>
To: Alexander Morozov <lk4d4math@gmail.com>
Cc: mrunalp@gmail.com
Subject: [PATCH 0/2] Fix hardlniks in overlay
Date: Fri,  9 Oct 2015 10:35:57 -0700
Message-Id: <1444412159-7370-1-git-send-email-lk4d4@docker.com>
X-Mailer: git-send-email 2.6.1

Result: 250
OK. Log says:
Server: smtp.gmail.com
MAIL FROM:<lk4d4@docker.com>
RCPT TO:<lk4d4math@gmail.com>
RCPT TO:<mrunalp@gmail.com>
From: Alexander Morozov <lk4d4@docker.com>
To: Alexander Morozov <lk4d4math@gmail.com>
Cc: mrunalp@gmail.com
Subject: [PATCH 1/2] fs/overlay: move update and instantiate dentry code to function
Date: Fri,  9 Oct 2015 10:35:58 -0700
Message-Id: <1444412159-7370-2-git-send-email-lk4d4@docker.com>
X-Mailer: git-send-email 2.6.1
In-Reply-To: <1444412159-7370-1-git-send-email-lk4d4@docker.com>
References: <1444412159-7370-1-git-send-email-lk4d4@docker.com>

Result: 250
OK. Log says:
Server: smtp.gmail.com
MAIL FROM:<lk4d4@docker.com>
RCPT TO:<lk4d4math@gmail.com>
RCPT TO:<mrunalp@gmail.com>
From: Alexander Morozov <lk4d4@docker.com>
To: Alexander Morozov <lk4d4math@gmail.com>
Cc: mrunalp@gmail.com
Subject: [PATCH 2/2] fs/overlay: use same inodes for hardlinks
Date: Fri,  9 Oct 2015 10:35:59 -0700
Message-Id: <1444412159-7370-3-git-send-email-lk4d4@docker.com>
X-Mailer: git-send-email 2.6.1
In-Reply-To: <1444412159-7370-1-git-send-email-lk4d4@docker.com>
References: <1444412159-7370-1-git-send-email-lk4d4@docker.com>

Result: 250