Set up Oauth 2.0
Recently Google and Microsoft changed their authentication method to send e-mails
With both you can either use the OAuth (method 2) authentification or the user/password (method 1), but note that the user/password and not the credentials you use to connect to your mailbox but application password that need to be created.
Gmail
First make sure to be admin on your Google account, then follow these steps to generate your credentials:
Go to the Google cloud console dashboard and select a project (or create a new one)
Go to APIs and services => Library, search for Gmail API and enable it
On the overview page, click the Create credentials button (if this is not available, so to the APIs and services => Credentials menu)
You can skip the scope section by clicking the Save and continue button
Select Web application, then in the Authorised redirect URIs section, add the Redirect URL that is shown in your AcyMailing configuration page. Note that it may differ if your administration URL has been customised: - https://www.example.com/administrator/ for Joomla websites - https://www.example.com/wp-admin/ for WordPress websites
Go to OAuth consent screen, then to Audience and make sure your app is "External". If you need to switch it from "Internal" to "External", select the "In production" option in the popup.
You can then either publish your app, or add your email address as a test user. We will use the first method in this example to have permanent credentials.
Go to the Clients menu then click the pencil to reveal your credentials
Copy your Client ID and Client secret then paste them in your AcyMailing configuration, then configure the connection to your mailbox.
Select the Google sending method, then fill in the required information. The username is typically your email address:
Username: your email address
Client id: the Client ID you copied
Client secret: the Client secret key you copied
Once the fields are set, click the Authenticate button then select your Google account
Google will show a warning because your app hasn't been verified. This is normal, you can click the Advanced link at the bottom-left, then Go to example.com (unsafe) to be redirected to the consent screen.
Finally, click the Continue button to allow your app to connect to your email address
You should then be redirected to your website and a confirmation should be shown if everything worked correctly:
Outlook
Sign in to the Azure portal
Search for App registrations and select it, then create a New registration
You can name it how you prefer
Select Accounts in any organizational directory (Any Microsoft Entra ID tenant - Multitenant) and personal Microsoft accounts (e.g. Skype, Xbox)
In the Redirect URI part, select Web then copy and paste the Redirect URL shown in your AcyMailing configuration (usually your website's admin URL)
Click the Register button to confirm the creation
Copy the Application (client) ID, it is the first part of your credentials so you will need to copy it in your AcyMailing configuration. You can always find it under the Overview menu.
You can now create the second par of your credentials, visit the Certificates & secrets menu and click the New client secret button
You will be able to choose when these credentials expire (from 6 months to 24 months). Note that you will need to create new credentials here once they expire, and add them into AcyMailing again.
Click the Add button
Copy the value on the next page, this is your Client secret. It is shown only once, if you didn't copy it you can always create a new one.
Your credentials are ready, you can now add them in the AcyMailing configuration:
Select the Outlook sending method, then fill in the required information. The username is typically your email address:
Username: your email address
Tenant: In most cases, you can select Any account type
Client id: the Application ID you copied
Client secret: the Client secret value you copied
Once the fields are set, click the Authenticate button. You will be redirected to the Microsoft account selection.
On the next page, click the Accept button
Once done, you should be redirected to your website with a confirmation message:
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