Error while sending verification email

Hi all, I am getting this error while sending verification email. I have checked my credentials, they are working fine. I guess google is not giving allowing to login via email and password. Is there any way out with login via OAuth2

I20160812-11:17:58.712(5.5)? Exception while invoking method 'user.register' AuthError: Invalid login - 534-5.7.14 <https://accounts.google.com/signin/continue?sarp=1&scc=1&plt=AKgnsbsk
I20160812-11:17:58.773(5.5)?     at Object.Future.wait (/home/deligence/.meteor/packages/meteor-tool/.1.4.0.6suex9++os.linux.x86_64+web.browser+web.cordova/mt-os.linux.x86_64/dev_bundle/server-lib/node_modules/fibers/future.js:449:15)
I20160812-11:17:58.773(5.5)?     at smtpSend (packages/email/email.js:89:1)
I20160812-11:17:58.774(5.5)?     at Object.Email.send (packages/email/email.js:192:1)
I20160812-11:17:58.775(5.5)?     at AccountsServer.Accounts.sendVerificationEmail (packages/accounts-password/password_server.js:797:9)
I20160812-11:17:58.775(5.5)?     at [object Object].userRegister (server/methods/userMethods.js:64:14)
I20160812-11:17:58.775(5.5)?     at maybeAuditArgumentChecks (packages/ddp-server/livedata_server.js:1711:12)
I20160812-11:17:58.775(5.5)?     at packages/ddp-server/livedata_server.js:711:19
I20160812-11:17:58.775(5.5)?     at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
I20160812-11:17:58.775(5.5)?     at packages/ddp-server/livedata_server.js:709:40
I20160812-11:17:58.776(5.5)?     at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
I20160812-11:17:58.776(5.5)?     - - - - -
I20160812-11:17:58.776(5.5)? 534-5.7.14 9fdX8wO9yrkrJR02fppM5oblHPhd78aK_q3NblIUpl7aGScRVYs_7kcSXx0iLcEOOQyHmL
I20160812-11:17:58.776(5.5)? 534-5.7.14 VVxddG_yK_DmdOIEUcPHoTuLNhUT_aRz9UWgstazmkYozEre2zPHQMrzzj6RGg7UohO_w-
I20160812-11:17:58.777(5.5)? 534-5.7.14 c_grd8ZwwYVNupBrwWLH22JiP3Mpv9DcW2dMYyxlee9x_l65oAUtfy1T2wAwaJooVz6aMk
I20160812-11:17:58.777(5.5)? 534-5.7.14 24FEr-PG1M-86H67jWu_MWpUwF2U8> Please log in via your web browser and
I20160812-11:17:58.777(5.5)? 534-5.7.14 then try again.
I20160812-11:17:58.778(5.5)? 534-5.7.14  Learn more at
I20160812-11:17:58.778(5.5)? 534 5.7.14  https://support.google.com/mail/answer/78754 x126sm9354900pfx.61 - gsmtp
I20160812-11:17:58.778(5.5)?     at SMTPClient._actionAUTHComplete (/home/deligence/.meteor/packages/email/.1.1.16.pvx6p9++os+web.browser+web.cordova/npm/node_modules/simplesmtp/lib/client.js:925:23)
I20160812-11:17:58.778(5.5)?     at SMTPClient._onData (/home/deligence/.meteor/packages/email/.1.1.16.pvx6p9++os+web.browser+web.cordova/npm/node_modules/simplesmtp/lib/client.js:354:29)
I20160812-11:17:58.778(5.5)?     at emitOne (events.js:77:13)
I20160812-11:17:58.778(5.5)?     at TLSSocket.emit (events.js:169:7)
I20160812-11:17:58.778(5.5)?     at readableAddChunk (_stream_readable.js:153:18)
I20160812-11:17:58.779(5.5)?     at TLSSocket.Readable.push (_stream_readable.js:111:10)
I20160812-11:17:58.779(5.5)?     at TLSWrap.onread (net.js:536:20)