Socket timeout during SMTP BDAT command.
MailBee.NET (in MailBee.NET.dll) Version: 12.0.0 build 615 for .NET 4.5
public const int BdatTimeout
Public Const BdatTimeout As Integer
If network timeout occurs during BDAT command, this may indicate that SMTP CHUNKING is not working correctly with this server. Try setting [!:ExtendedSmtpOptions.NoChunking] flag
in [!:SmtpServer.SmtpOptions] property of the [!:SmtpServer] object which represents the SMTP server you're sending with.