Here is an example of how to send email through Gmail using VB.NET:
http://www.emailarchitect.net/easendmail/kb/vbnet.aspx?cat=2[
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To include an email in the BCC field, you need to add it to the BCC collection. See here for a further explanation:
http://msdn.microsoft.com/en-us/library/system.net.mail.mailmessage.bcc.aspx[
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The code would look like this:
MailAddress bcc = new MailAddress("example@dummy.int");
oMail.Bcc.Add(bcc);
To add multiple email addresses to this list, you just keep adding them, like so:
MailAddress bcc = new MailAddress("example@dummy.int");
oMail.Bcc.Add(bcc);
bcc = new MailAddress("example2@dummy.int");
oMail.Bcc.Add(bcc);