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1. IMAP Service Configuration:

   • Ensure the IMAP service settings are correctly configured, matching your mail server requirements.
   • Check for any updates or patches in Acumatica ERP that might address IMAP-specific issues.

2. OAuth and Security Updates:

   • With increasing security protocols, some email providers may require OAuth 2.0 authentication for IMAP. Acumatica supports OAuth configurations for Office 365 and Gmail, which can also affect IMAP.

3. Server Requirements:

   • Verify that the mail server supports the necessary IMAP protocols and that any firewall or security settings are not blocking Acumatica’s connection.

General IMAP Configuration Steps:

1. Navigate to Email Accounts Setup:

   • Open the System Email Accounts form (SM204002) in Acumatica.

2. Create or Edit an Email Account:

   • Click Add New Record or edit an existing record.

3. Set Email Account Details:

   • Fill in the required fields such as:
     • Email Address: Your account's email address.
     • Server Address: Enter the IMAP server address (e.g., imap.example.com).
     • Port: Typically, IMAP uses port 993 for SSL/TLS.
     • Authentication Type: Choose the correct authentication method (e.g., OAuth or Username/Password).
     • Password: Enter the email account's password if not using OAuth.

4. Enable Incoming Mail Processing:

   • Check the relevant boxes to enable processing of incoming messages.

5. Save and Test Connection:

   • After saving the configuration, test the connection using the form toolbar to ensure the setup is correct.

6. Additional Adjustments for OAuth (if applicable):

   • For email providers like Gmail or Office 365, you may need to configure OAuth. Follow the specific OAuth setup steps provided by the email provider and Acumatica.

You  might require you to double-check with your email service provider for compatibility updates​​.

Thank you for your response saifalisabri

Ill give these directions a try. 

Regards,

Richard 

Hi ​@richardr 

If you’re using Gmail or O365, basic authentication is no longer supported. You’ll need to modify your approach to how these accounts are signed in.

Workaround:

Option 1

Gmail:

Step 1: Turn on 2-Step Verification for your Google account. For instructions, refer to the Turn on 2-Step Verification help article in the Google Account Help portal.

Step 2: Create an app password. For instructions, refer to the Create & use App Passwords section of the Sign in with App Passwords help article in the Google Account Help portal.

Step 3: In Acumatica ERP, use the 16-character code received during Step 2 as the password for your email account on the System Email Account (SM204002) form.

Option 2

Gmail:

Set up Modern Authentication with OAuth 2.0:

M365:

If you’re using Office365, Exchange Online, etc., Here’s the Modern Authentication guide:
 

I hope this helps!

-James