I have Gsuite email setup with our own domain ([email protected]). I have tried to use mailgun with gsuite. Although it worked ok ish, as the number of contact increasing, bills are also increasing.

Since there is Gsuite relay service available which allows 10000 emails per day, we would like to setup our CiviCRM with it, so we can use it's full potential.

I have read this post How to use G Suite / GMail as your CiviMail Provider but not able to get SMTP working at all from civicrm's side.

We are currently using cpanel hosting and SMTP mailserver already setup on there which allows only 250 emails. Not very efficient and not sure if that causing any issue while setting up gsuite relay.

Did you manage to successfully setup Gsuite and currently using without any issue? If yes, would you please share some thoughts or tips what issue you have encountered and how you have solved it?

EDIT: I have tried to follow the steps as per the instruction on above tutorial and getting this results. I have tried different combination of ports and authentication settings on Gsuite, but no luck. I am using the email with our domain for signin [email protected], and app specific Password to set the SMTP

CiviCRM SMTP Settings

Gsuite Relay service settings

enter image description here

2 Answers 2


Its been a while - but hope these tips help:

  • Thanks. But I should be able to setup with App password, right?
    – Tapash
    Commented May 5, 2020 at 22:34
  • @Tapash were you able to get this setup? I believe we set ours up simply with the password - not a LSA password. Its been so long - I can't recall.
    – themak
    Commented May 5, 2020 at 22:37
  • no I was not able to set it up with LSA or 2step app password. Not sure what i am doing wrong. Also do I need to necessarily setup the bounced processing and email to email activity processing part to get the smtp relay working?
    – Tapash
    Commented May 5, 2020 at 22:40
  • Would you please update the tutorial to the latest available resources? I guess things may have changed quite a bit since you have set it up..
    – Tapash
    Commented May 5, 2020 at 22:42
  • You shouldn't have to - if you send a test email from CiviCRM » Administer CiviCRM - System Settings - Outbound Mail and it works - you should be good.
    – themak
    Commented May 5, 2020 at 22:42

It seems there is a difference between sending via Gsuite and Gsuite SMTP Relay ...

For sending via Gsuite, and comparing the connection details in the post you linked to with a site using this, the difference is that it uses SMTP host ssl://smtp.gmail.com

The main practical limitations are the limits and that all mails get sent out with the sender of the Gsuite account, not the address you configure in Civi.

I haven't tried Gsuite SMTP Relay

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