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
public const int SslNegoIOException

Field Value

Type: Int32
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