ScSMTPClient unit implements the following classes:
EScSMTPError
TScSASLAnonymous
TScSASLCollection
TScSASLCRAMMD5
TScSASLCRAMSHA1
TScSASLItem
TScSASLLogin
TScSASLMechanism
TScSASLOTP
TScSASLPlain
TScSASLSKey
TScSASLUserPassMechanism
TScSMTPAuthenticationType
TScSMTPClient
TScSMTPClientOptions
SecureBridge Components