Certificate property must be set when wodSmtpServer is
used in secure mode - with Security
setting other than SecurityNone. In
those cases you need private key and a certificate, so you
use to decrypt data coming from the client. Certificate
property will hold this key from you, either from
wodCertificate object.
You can load both certificate (shown to the client) and
the private key (for decrypting data). You can try using it
this way:
Dim cert As Certificate
Set cert = new Certificate
cert.Load "mycertificate.cer"
cert.LoadKey "myprivkey.txt", mypassword
Set FtpD.Certificate = cert
If you don't specify this property for secure SMTP
server and try to start the server, an error will be
generated.