Select Cert for Encrypted Email

Demonstrates how to search for a specific certificate from Current User and Local Machine certificate stores, and then use it for encrypting an email.

Download Chilkat Email ActiveX for POP3 / SMTP

Download Chilkat IMAP ActiveX

LOCAL loMailman
LOCAL lnSuccess
LOCAL loCert
LOCAL loEmail

*  The mailman object is used for sending and receiving email.
loMailman = CreateObject('Chilkat.MailMan2')

*  Any string argument automatically begins the 30-day trial.

lnSuccess = loMailman.UnlockComponent("30-day trial")
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX("Component unlock failed")
    QUIT
ENDIF

*  Set the SMTP server.
loMailman.SmtpHost = "smtp.comcast.net"

*  Search the Local Machine and Current User certificate
*  stores for a certificate -- by common name or by email  address.
loCert = CreateObject('Chilkat.Cert')

lnSuccess = loCert.LoadByCommonName("Chilkat Software")
IF (lnSuccess <> 1) THEN
    *  Try loading it by email address.
    lnSuccess = loCert.LoadByEmailAddress("comodo@chilkatsoft.com")
    IF (lnSuccess <> 1) THEN
        =MESSAGEBOX(loCert.LastErrorText)
        QUIT
    ENDIF

ENDIF

*  Create a new email object
loEmail = CreateObject('Chilkat.Email2')

loEmail.Subject = "This email is encrypted"
loEmail.Body = "This is a digitally encrypted mail"
loEmail.From = "Chilkat Support <support@chilkatsoft.com>"
loEmail.AddTo("Comodo Test","comodo@chilkatsoft.com")

*  Indicate that the email is to be sent encrypted.
loEmail.SendEncrypted = 1

*  Specify the certificate:
lnSuccess = loEmail.SetEncryptCert(loCert)
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loEmail.LastErrorText)
    QUIT
ENDIF

lnSuccess = loMailman.SendEmail(loEmail)
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loMailman.LastErrorText)
ELSE
    =MESSAGEBOX("Mail Sent!")
ENDIF