Everytime I send an e-mail I have a smart card windows prompt

Hi

I recently needed to install a smart card reader for another project.
And now, everytime, I use the sendmail function, I get a windows security prompt saying "connect a smart card".

The only way to use the function to send email now is to have the smart card reader connected, which is very inconvenient. I  use CDO to send mail.
The prompt appears when mMessage.Send() is being processed in this function :

function SendEmail(mFrom, mTo, mSubject, mBody, mAttach) 
{ 
var schema, mConfig, mMessage; 

schema = "http://schemas.microsoft.com/cdo/configuration/"; 
mConfig = getActiveXObject("CDO.Configuration"); 

mConfig.Fields.$set("Item", schema + "sendusing", 2); // cdoSendUsingPort 

mConfig.Fields.$set("Item", schema + "smtpserver", "smtp.office365.com"); 

mConfig.Fields.$set("Item", schema + "smtpserverport", 25); 

mConfig.Fields.$set("Item", schema + "smtpauthenticate", 1); // Authentication mechanism 

mConfig.Fields.$set("Item", schema + "sendusername", "my_email_adress.com"); 

mConfig.Fields.$set("Item", schema + "sendpassword", "***"); 

mConfig.Fields.$set("Item", schema + "smtpusessl", true); 

mConfig.Fields.Update(); 

mMessage = getActiveXObject("CDO.Message"); 
mMessage.Configuration = mConfig; 
mMessage.From = mFrom; 
mMessage.To = mTo; 
mMessage.Subject = mSubject; 
mMessage.HTMLBody = mBody; 
//mMessage.HTMLBody.Charset = "utf-8"; 

if (mAttach != undefined) 
{ 
mMessage.AddAttachment(mAttach); 
} else 
{ 
mAttach = ""; 
} 

mMessage.Send(); 

Log.Message("Message to <" + mTo + "> was successfully sent"); 
return true; 
} 

Do you have any idea to solve this problem?