Common Email Errors / Solutions Microsoft Outlook - "The MAPI Spooler Has Shut Down Unexpectedly. Close All Mail-Enabled Applications Before Attempting to Log On Again." This error is related to a conflict between Outlook 97 and Eudora 3.x Pro. Disabling Eudora's MAPI service is the solution to this error. How to turn off Eudora's MAPI service: - Open Eudora.
- From the Tools menu, select Options.
 - In the scrolling Category list, click on MAPI.
 - Under Use Eudora MAPI server, check the circle next to Never.
- Click OK.
- Exit Eudora and restart Outlook.
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