PRB: sp_processmail Gets Ambiguous Recipient Error

MORE INFORMATION

   Syntax
   xp_readmail ([@msg_id = msg_id] [, @type = type [OUTPUT]] [, @peek =
   {'true' | 'false'}]
   [, @suppress_attach = {'true' | 'false'}]
   [, @originator = @sender OUTPUT]
   [, @subject = @subject_line OUTPUT]
   [, @message = @body_of_message OUTPUT]
   [, @recipients = @recipient_list OUTPUT]
   [, @cc_list = @cc_list OUTPUT]
   [, @bcc_list = @bcc_list OUTPUT]
   [, @date_received = @date OUTPUT]
   [, @unread = {'true' | 'false'} OUTPUT]
   [, @attachments = @temp_file_paths OUTPUT])
   [, @skip_bytes = @bytes_to_skip OUTPUT]
   [, @msg_length = @length_in_bytes OUTPUT]
   [, @originator_address = @originator_address OUTPUT])
   where
   @originator_address
   Specifies the resolved mail address of the originator of the mail
   message. The @originator_address variable must be varchar(255).