Articles
Repair PoliteMail Client with InstallShield Wizard
Repair your PoliteMail client easily using client.exe and the InstallShield Wizard. Run, select Repair, confirm settings, and finish installation.
Clear Data and Sign Out
Dealing with technical or rendering issues with any online application often requires clearing your browser cache. In addition, this can take several steps if you also need to clear additional data within the PoliteMail application to reset ev...
Reverse Proxy Config for Mobile Data Collection
PoliteMail mobile data collection uses Split DNS and Reverse Proxy for secure HTTPS access, enabling tracking without exposing internal servers.
Errors When Adding Multiple Accounts
Microsoft Outlook allows you to add multiple Microsoft Exchange accounts to the same profile, but this may cause errors. We provide a link for more information.
Email Not Sending: Hybrid Exchange + Office 365
Configure PoliteMail in a hybrid Exchange 365 setup. Use on‑prem EWS for group expansion and sync Entra ID attributes to ensure accurate delivery.
Fix Invalid Credential Error
Clearing your cache and restarting Outlook is your best bet for resolving an Invalid Credential error.
Configure Internet Email Accounts in Outlook
Learn how to integrate Gmail, Yahoo, and other internet email accounts into Outlook with step-by-step setup instructions for POP3 configuration.
Set Send-To Permissions on Exchange/Office 365
Control who can send to distribution lists in Exchange 365 with PoliteMail Syncronym. Set send-to permissions and prevent reply-all access issues.
What Is a Sender ID and How Do I Get One?
Learn how PoliteMail uses Sender ID and O365 Measurement to verify senders, detect spoofing, and enable accurate, secure email tracking in Outlook.
How do I update the Graph secret?
Update your Microsoft Graph secret for PoliteMail via Entra Admin Center. Add a new client secret, copy the value, and replace the old one securely.
"To use PoliteMail, you must restart Outlook" message
Fix the "restart Outlook" PoliteMail loop with this Registry update. Upgrade to version 5.05.3570.3726 or follow our step-by-step Registry fix guide.
Font styling not holding
Fix Outlook 2016 font formatting issues with PoliteMail. Learn three proven methods to preserve font styles, colors, and sizes in your templates and emails.
Repairing your Outlook Data File
Fix Outlook crashes, hangs, or send errors in PoliteMail by repairing your Outlook data file using ScanPST or ScanOST. Step-by-step repair guide.
Graph instance not properly configured.
Fix the "Graph instance not properly configured" error in PoliteMail for M365. Learn how to resolve this issue by adjusting your browser pop-up settings today.
Clear or Flush Graph Tokens for New Login
Clear your PoliteMail Graph tokens quickly when permissions change. Learn how to disconnect and reconnect to Graph in seconds.
Enabling compatibility mode
Enable Outlook compatibility mode to fix display issues with PoliteMail. Learn why this setting matters and how to activate it manually or through prompts.