ErrorCodesSslNegoIOException Field
SSL negotiation failed with IOException.

Namespace: MailBee
Assembly: MailBee.NET (in MailBee.NET.dll) Version: 12.2.0 build 630 for .NET 4.5
Syntax
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, Tls12 if the server does support automatic protocol selection).
See Also