Error ASN1 - Not enough memory

Error

When receiving and decrypting a 5MB email, the email is rejected and the error message ASN1 not enough memory is displayed. The error is also displayed in the message tracking.

Status

This problem occurs because a buffer size is not increased properly by the .NET Framework. This problem is known to Microsoft and can be fixed with the hotfix below.

Solution

Install the following Microsoft hotfix: http://support.microsoft.com/kb/2480994/de.