Connection issues
Troubleshoot connection: Failed to login CONNECT_ERROR with "The remote certificate is invalid" error
Error dialog commonly shown Mitigations Try disabling any and all antivirus locally on the machine. Make sure email scanning or monitoring is turned off specifically in antivirus software (it's usually a hidden setting). Even if the main antivirus is ...
Having trouble connecting, connection failed or authentication/login failed?
First, make sure your connection settings are correct. More information about different connection settings can be found here on our help webpage (https://gearmage.com/maildownloader_howto.html#settings). If you are using Gmail, you may be asked to ...
Connections fail with error similar to 'Too many simultaneous connections'
If you have a lot of devices or clients connecting to the same email account, the mail servers may only allow certain limit of connections at a given point in time. To speed up downloads, Mail Attachment Downloader establishes multiple connections ...
Yahoo Mail IMAP connectivity problems or issues
If you are trying to connect to Yahoo, the program needs a few settings changes to work. This is because while Yahoo has allowed certain popular email programs access, they are still working on providing OAuth enabled programs access to their mail ...
Troubleshoot connection: Cannot login using modern authentication - access denied or Sign in with Google temporarily disabled for this app
Build 1067+ (same version v3.2) should fix common google authentication issues. So please upgrade first (https://gearmage.zohodesk.com/portal/en/kb/articles/latest-pro-client-and-pro-server-builds-how-to-get-them). For Microsoft and Google ...
Troubleshoot connection: Issues with login or authentication (Microsoft or Google)? Try this.
We fully support modern authentication (OAuth) with both Microsoft (Office365 Exchange, Outlook IMAP) and Google (IMAP) based accounts. The latest build fixes common auth issues: ...
Troubleshoot connection: The Autodiscover service couldn't be located or Office365/Exchange connection issues
If you see this error when trying to connect to Exchange, it likely means that either the username/password combination is incorrect or the EWS service could not be discovered. If you've already verified the username/password are correct, then ...
Troubleshoot connection: Office365/Exchange connection failed login, username/password incorrect or Autodiscover service couldn't be located.
If you are connecting to Office365, then first ensure that you are using the correct settings and are not using IMAP to connect. Latest build (new build but same version v3.2): Make sure you are on the latest build as it often contains fixes for ...
Troubleshoot connection: Exchange Office365 Auth - Custom client authentication configuration
By default, Mail Attachment Downloader uses a public client ID and delegated authentication to authenticate with Microsoft's Office 365. If you are having login issues, we would first recommend troubleshooting using the following articles: Login ...
Troubleshoot connection: Office365 or Outlook permissions
Access to Office365 or Outlook.com requires the use of Exchange Web Services (or EWS). This is the service that Mail Attachment Downloader connects to. The program uses secure modern authentication (OAuth 2) to connect to Microsoft servers. Once ...