CDOSYS email to multiple recipients

Hi, Experts -
I thought that I had this problem licked due to errors in my testing script, but I can confirm that it is still a problem: I am using CDOSYS to send an email to a list of recipients whose email addresses reside in a string, delimited by semi-colons (also tried commas), and inserted into the .BCC property.  The same email item is then sent to the originator, with a list of all those individuals in the .BCC string.  I re-use the same mail object.  Below is the snippet of code where the two emails are sent.  They are identical except for the use of .TO in place of .BCC, and for the different Body content, of course.
Question:  Why is the email that uses .BCC not being sent?  Even if I only indicate one recipient, it is not sent.  Am I missing something in the syntax?  Is there anything peculiar about using BCC?  I'm stumped and need Expert help to help me solve this!  TIA.
' If the action of the form is "SendInvite" AND there were no input errors - we send the email invitation
if	action = "SendInvite" and IsError <> "Yes" then
    set objMail = Server.CreateObject("CDO.Message")
	objMail.Configuration.Fields.Item ("") = 2 'Send the message using the network (SMTP over the network)
	objMail.Configuration.Fields.Item ("") = ""
	objMail.Configuration.Fields.Item ("") = 25
	objMail.Configuration.Fields.Item ("") = False 'Use SSL for the connection (True or False)
	objMail.Configuration.Fields.Item ("") = 60    
	objMail.Configuration.Fields.Item ("") = 1 'basic (clear-text) authentication

'	1)  Send a COPY of Invitation to the Sending MGR - use the amended body that lists the recipients
	With objMail
	     .From     = strSupvEmail
		 .To	   = strSupvEmail
	     .Subject  = strSubject
	     .HTMLBody = strBody_MgrCC
	     .Configuration.Fields.Item _
	     ("") _
	End With

'	2) Send the Invitation to the selected (strBCC) recipients
	With objMail
	     .From  = strSupvEmail
	     .Bcc   = strBcc
	     .Subject  = strSubject
	     .HTMLBody = strBody
	     .Configuration.Fields.Item _
	     ("") _
	End With

'	Remove from memory
	set objMail = Nothing

Set objMessage = Nothing


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Dave BaldwinFixer of ProblemsCommented:
As I suggested before, maybe the 'To' is required.  Try adding it to the BCC email and see if it goes then.  'strSupvEmail' may get two emails but then you'll know if that's the problem.
OGSanAuthor Commented:
I tried adding the To with both null and valid email - but to no avail.
I read somewhere that inserting "<" and ">" in front or and behind each email would work - so, trying that now...
OGSanAuthor Commented:
I think I found the solution in this Microsoft document - I could have sworn I tried this earlier...going braindead for sure now.  Anyway - using comma as the delimiter instead of semi-colon makes it work for me now.
Will be retracting question.

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OGSanAuthor Commented:
Found Microsoft documentation that addresses my problem.
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