Gmail as of now is not supporting DKIM with with Punnycode@punnycode email address, considers them invalid. See the requests below. DKIM Fail example - Delivered-To: deepakdeepaksinghal@gmail.com Received: by 10.28.186.67 with SMTP id k64csp240680wmf Fri, 2 Dec 2016 02:11:10 -0800 (PST) X-Received: by 10.99.60.11 with SMTP id j11mr78479662pga.26.1480673468504 Fri, 02 Dec 2016 02:11:08 -0800 (PST) Return-Path: депак@почта.рус> Received: from tbms.xn--80a1acny.xn--p1acf (tbms.xn--80a1acny.xn--p1acf. [212.109.217.59]) by mx.google.com with UTF8SMTP id z97si4494171plh.165.2016.12.02.02.11.06 for Fri, 02 Dec 2016 02:11:08 -0800 (PST) Received-SPF: pass (google.com: domain of депак@почта.рус designates 212.109.217.59 as permitted sender) client-ip=212.109.217.59 Authentication-Results: mx.google.com dkim=neutral (bad format) header.i=@xn--80a1acny.xn--p1acf spf=pass (google.com: domain of депак@почта.рус designates 212.109.217.59 as permitted sender) smtp.mailfrom=депак@почта.рус DKIM-Signature: v=1 a=rsa-sha1 q=dns/txt c=simple/relaxed t=1480673464 s=xgen d=почта.рус h=Date:From:Message-ID:MIME-Version z=Date:Fri,=202=20Dec=202016=2014:11:04=20+0400=20(GMT+04:00)|From:=D0=B4=D0=B5=D0=BF=D0=B0=D0=BA|Message-ID: |MIME-Version:1.0 l=1078 bh=LYJgeY6BTAyJEdFJM0FhV4tcBAc= b=PMYrmgxtx4s4lUyFP6Kp50xW8bmbUP6MbozwsdSdnZrOd4kR52MtDSRuK4RJZVoS jm5rg+6ht2M1cFdYCQtcRE2DNKF94LaiVSNMy6IScjnCZNT0RnQ0tfWvt+9qiQLWURJ fEblIhSIrNzWLiSbShrEnbAv4+6eOoK8krb1UTeI= Return-path: депак@почта.рус Date: Fri, 2 Dec 2016 14:11:04 +0400 (GMT+04:00) From: "депак" To: deepakdeepaksinghal@gmail.com Message-ID: Subject: deepakdeepaksinghal@gmail.com Errors-to: MIME-Version: 1.0 DKIM Pass Example- Delivered-To: deepakdeepaksinghal@gmail.com Received: by 10.28.186.67 with SMTP id k64csp239355wmf Fri, 2 Dec 2016 02:08:05 -0800 (PST) X-Received: by 10.25.29.8 with SMTP id d8mr13960908lfd.18.1480673285872 Fri, 02 Dec 2016 02:08:05 -0800 (PST) Return-Path: admin@почта.рус> Received: from tbms.xn--80a1acny.xn--p1acf (tbms.xn--80a1acny.xn--p1acf. [212.109.217.59]) by mx.google.com with UTF8SMTP id b78si2265194lfh.395.2016.12.02.02.08.05 for Fri, 02 Dec 2016 02:08:05 -0800 (PST) Received-SPF: pass (google.com: domain of admin@почта.рус designates 212.109.217.59 as permitted sender) client-ip=212.109.217.59 Authentication-Results: mx.google.com dkim=pass header.i=@почта.рус spf=pass (google.com: domain of admin@почта.рус designates 212.109.217.59 as permitted sender) smtp.mailfrom=admin@почта.рус DKIM-Signature: v=1 a=rsa-sha1 q=dns/txt c=simple/relaxed t=1480673284 s=xgen d=почта.рус h=Date:From:Message-ID:MIME-Version z=Date:Fri,=202=20Dec=202016=2014:08:04=20+0400=20(GMT+04:00)|From:admin|Message-ID:|MIME-Version:1.0 l=1164 bh=h5oHHzyPgSAt3/D+KrbGVAKW9V8= b=15ZCXJ+6ZBfD8JfTSp1TO9MoBhoWps3o+aWosp/G+avM+tuMTYoKEuY/Bcvx57kF 1de1zbQO+pDcnkonADj4c9hLRv8hLwU2Kv1UxyFl6yJQ9CaoJNxOIA2YtsEiEVPM8s/ j8Ewi3H42FrOoBycL+WY8GtTgWLgb2eKBqY405ug= Return-path: admin@почта.рус Date: Fri, 2 Dec 2016 14:08:04 +0400 (GMT+04:00) From: admin To: Message-ID: Subject: hello Sir1 Errors-to: MIME-Version: 1.0 Content-Type: multipart/alternative boundary="----=_Part_5_1869815482.1480673284388" X-Mailer: XGen Plus INSTANT MESSAGING SYSTEM X-ScheduledMail: FALSE Requesting Gmail team to look into it please. Let us know if we need to do something else. Best Wishes Dr. Ajay DATA | Founder & CEO Get email id like अजय@डाटा.भारत in your own language,visit www.xgenplus.com Do not Remove: [HID]20161203120556547[-HID]