# Troubleshooting sending an email in Mautic 2.0

**URL:** https://forum.mautic.org/t/troubleshooting-sending-an-email-in-mautic-2-0/4590
**Category:** Product Support
**Created:** [July 22, 2016, 10:06am UTC](https://forum.mautic.org/t/troubleshooting-sending-an-email-in-mautic-2-0/4590 "2016-07-22T10:06:30Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![ramgouveia](https://avatars.discourse-cdn.com/v4/letter/r/c4cdca/32.png) [@ramgouveia](https://forum.mautic.org/u/ramgouveia)
#### Post date: [July 22, 2016, 10:06am UTC](https://forum.mautic.org/t/troubleshooting-sending-an-email-in-mautic-2-0/4590/1 "2016-07-22T10:06:30Z")

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Hello when I tried to send an email in Mautic 2.0 I’ve received the following message.  
  
  
  
Can you help me please?  
  
  
  
Log errors:  
  
  
  
Failed to send to [silvinogouveia@gmail.com](mailto:silvinogouveia@gmail.com): Failed to authenticate on SMTP server with username "ramgouveia@gmail.com" using 1 possible authenticators Log data: ++ Starting Swift\_Transport\_EsmtpTransport \<\< 220 [smtp.gmail.com](http://smtp.gmail.com) ESMTP gw4sm371307wjc.45 - gsmtp \>\> EHLO 10.7.4.26 \<\< [250-smtp.gmail.com](http://250-smtp.gmail.com) at your service, [79.169.129.11] 250-SIZE 35882577 250-8BITMIME 250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH 250-ENHANCEDSTATUSCODES 250-PIPELINING 250-CHUNKING 250 SMTPUTF8 \>\> AUTH LOGIN \<\< 334 VXNlcm5hbWU6 \>\> cmFtZ291dmVpYUBnbWFpbC5jb20= \<\< 334 UGFzc3dvcmQ6 \>\> TXVzZ3VlaXJhODhD \<\< 534-5.7.14 Please log in via your web browser and 534-5.7.14 then try again. 534-5.7.14 Learn more at 534 5.7.14 [https://support.google.com/mail/answer/78754](https://support.google.com/mail/answer/78754) gw4sm371307wjc.45 - gsmtp !! Expected response code 235 but got code “534”, with message "534-5.7.14 Please log in via your web browser and 534-5.7.14 then try again. 534-5.7.14 Learn more at 534 5.7.14 [https://support.google.com/mail/answer/78754](https://support.google.com/mail/answer/78754) gw4sm371307wjc.45 - gsmtp " (code: 534) \>\> RSET \<\< 250 2.1.5 Flushed gw4sm371307wjc.45 - gsmtp

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<div class="post-metadata">

### Author: ![ramgouveia](https://avatars.discourse-cdn.com/v4/letter/r/c4cdca/32.png) [@ramgouveia](https://forum.mautic.org/u/ramgouveia)
#### Post date: [July 22, 2016, 10:06am UTC](https://forum.mautic.org/t/troubleshooting-sending-an-email-in-mautic-2-0/4590/2 "2016-07-22T10:06:30Z")

</div>

Hello when I tried to send an email in Mautic 2.0 I’ve received the following message.

Can you help me please?

Log errors:

Failed to send to [silvinogouveia@gmail.com](mailto:silvinogouveia@gmail.com): Failed to authenticate on SMTP server with username "ramgouveia@gmail.com" using 1 possible authenticators Log data: ++ Starting Swift\_Transport\_EsmtpTransport \<\< 220 [smtp.gmail.com](http://smtp.gmail.com) ESMTP gw4sm371307wjc.45 - gsmtp \>\> EHLO 10.7.4.26 \<\< [250-smtp.gmail.com](http://250-smtp.gmail.com) at your service, [79.169.129.11] 250-SIZE 35882577 250-8BITMIME 250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH 250-ENHANCEDSTATUSCODES 250-PIPELINING 250-CHUNKING 250 SMTPUTF8 \>\> AUTH LOGIN \<\< 334 VXNlcm5hbWU6 \>\> cmFtZ291dmVpYUBnbWFpbC5jb20= \<\< 334 UGFzc3dvcmQ6 \>\> TXVzZ3VlaXJhODhD \<\< 534-5.7.14 Please log in via your web browser and 534-5.7.14 then try again. 534-5.7.14 Learn more at 534 5.7.14 [https://support.google.com/mail/answer/78754](https://support.google.com/mail/answer/78754) gw4sm371307wjc.45 - gsmtp !! Expected response code 235 but got code “534”, with message "534-5.7.14 Please log in via your web browser and 534-5.7.14 then try again. 534-5.7.14 Learn more at 534 5.7.14 [https://support.google.com/mail/answer/78754](https://support.google.com/mail/answer/78754) gw4sm371307wjc.45 - gsmtp " (code: 534) \>\> RSET \<\< 250 2.1.5 Flushed gw4sm371307wjc.45 - gsmtp