Summary of the "referrals_" fields in ListManager
This table keeps information about referrals, aka, Send a Friend or Referrals.
Primary key: none
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 Field Name  | 
 Description  | 
 Version Added  | 
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 SenderMemberID_  | 
 The member ID of the originator of the referral. (int, NOT NULL)  | 
 
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 SenderEmailAddr_  | 
 The email address the sender provided when initiating the referral, which could be different than the email address in the member record. (varchar(100), NULL)  | 
 
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| 
 SenderIPAddress_  | 
 The IP address recorded from the sender at the time of referral. (int, NOT NULL)  | 
 
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| 
 ReceiverMemberID_  | 
 The member ID of the 'friend' who should receive this referral. (int, NOT NULL)  | 
 
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| 
 ContentID_  | 
 The ID of the content to send as the referral. (int, NOT NULL)  | 
 
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 RollupID_  | 
 (int, NOT NULL)  | 
 
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 TimeSent_  | 
 The date and time the referral was sent. (smalldatetime, NULL)  | 
 
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