error message

Pop-up message: “The Microsoft Jet database engine cannot open the file ‘C:\Program Files(x86)\1and1Mail\tnedm.ado’. It is already opened exclusively by another user, or you need permission to view its data.”

Please follow the steps below to resolve the issue: Right click the 1and1Mail icon on your Desktop Select “Properties” Go to “Compatibility” tab. Select the last option “Run as an administrator”. And then run 1and1Mail....
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1and1Mail 4.2 allows you to set sending limit per hour and provides IP location in the open and click reports

1and1Mail v4.2 involves various improvements in many aspects: New Features Show account’s last status Support setting sending limit per hour(s) Show locations based on IPs in the open and click report Support customizing sending sequence Email signature...
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1and1Mail 3.26 is launched and fixed a few bugs in non-English OS

1and1Mail 3.26 has fixed another 2 bugs: Create table error in non-English OS List index out of bounds error The complete 1and1Mail changelog can be viewed here.
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Pop-up message: “List index out of bounds”

When you start a mass mailing task in 1and1Mail, sometimes you will encounter a pop-up message: "List index out of bounds (8)". It is usually caused by your modification (import, add or delete) of emails in the address books that are being used...
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