ErrorCodesSslNegoIOException Field
SSL negotiation failed with IOException.

Namespace: MailBee
Assembly: MailBee.NET (in MailBee.NET.dll) Version: 12.4 build 677 for .NET 4.5
Syntax
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public const int SslNegoIOException

Field Value

Type: Int32
Remarks
For instance, the selected security protocol is not supported by the server. Consider selecting another protocol (for instance, TlsAuto if the server does support automatic protocol selection).
See Also