Use OAuth2 with Omnis 10.1?

Mike Matthews - Omnis omnis at
Fri Dec 11 11:54:03 EST 2020

It is on my list to do with v10.2


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Mike Matthews
omnis at<mailto:omnis at>

Lineal Software Solutions
01271 375999
Commercial House, The StrandBarnstaple, Devon, EX31 1EU<>

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On 11 Dec 2020, at 07:27, IT <it at<mailto:it at>> wrote:

Not sure, but I think that there is a limit date for sending mails in Less secure mode. I think that in 2021 this setting will be out. Solve smtp oAuth in Omnis is a must for the near future.



El 10 dic 2020, a las 23:40, Michael Mantkowski <michaelj at<mailto:michaelj at>> escribió:

We use it all the time too!!

Hundreds of users all over the world.

Michael Mantkowski
ClienTrax Software

-----Original Message-----
From: omnisdev-en On Behalf Of Das Goravani
Sent: Thursday, December 10, 2020 5:39 PM
To: OmnisDev List - English <omnisdev-en at<mailto:omnisdev-en at>>
Subject: Re: Use OAuth2 with Omnis 10.1?

I dread the day they actually get rid of that setting.. as I know no way around this for myself.. I use it with the AppServer which in my case sends out a PDF through email using Gmail as the sending server

On Dec 10, 2020, at 2:22 PM, Michael Houlberg <michael at<mailto:michael at>> wrote:


Well what d’ya know, that worked!

I think I used to have this setting, but earlier this month Google turned it off on me with an email that implied it was no longer available.  I didn’t find it right away looking in the settings, but a search for “Allow less…” revealed the option for that setting.


On Dec 10, 2020, at 1:51 PM, Das Goravani <goravanis at<mailto:goravanis at>> wrote:

In your gmail settings there is a setting that essentially says “Allow less secure apps to access your account”.. I had to set this in order to send email with Omnis through Gmail.. I’m not using Oauth, though, I am just using SMTPSend.. but I think the same thing would apply.. find this setting and set it and see if you get success.

On Dec 10, 2020, at 1:45 PM, Michael Houlberg <michael at<mailto:michael at>> wrote:

Fellow Listers:

I’ve been able send email using Gmail with Omnis Studio 10.1 in the past.  It used to work until Google changed their requirements and now consider my SMTP code to be too “insecure”.  I thought I had to update to using Studio 10.2 which has added an OAuth2 worker object to the OW3 set of Worker objects.  But then looking in the docs I find in Chapter 7 under Web Worker Objects (OWEB) a section on "SMTP Client Workers" which mentions it can work with OAuth2.  However, I believe this relies on Java?  So I would need to have Java installed to use this?

So have you gotten the Studio 10.1 OWEB SMTP Client Worker working with Gmail?

Or have you been successful copying the ow3.u_xcomp from Studio 10.2 into Studio 10.1 and using the OW3 Workers?

I’m hoping there is a way to once again send using Gmail and Omnis Studio 10.1.

Michael Houlberg
Houlberg Development, LLC
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