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serialization-deserialization-of-mailmessage-objects.md

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Deserialization of MailMessage objects serialized under the .NET Framework 4.5 may fail

Scope

Minor

Version Introduced

4.5

Source Analyzer Status

Investigating

Change Description

Starting with the .NET Framework 4.5, xref:System.Web.Mail.MailMessage objects can include non-ASCII characters. In the .NET Framework 4, only ASCII characters are supported. xref:System.Web.Mail.MailMessage objects that contain non-ASCII characters and that are serialized under the .NET Framework 4.5 or later cannot be deserialized under the .NET Framework 4.

  • Quirked
  • Build-time break

Recommended Action

Ensure that your code provides exception handling when deserializing a xref:System.Web.Mail.MailMessage object.

Affected APIs

xref:System.Web.Mail.MailMessage

Category

Networking