Contains a broken down database representation of the From, To, Cc ReplyTo, and Bcc addresses for each message.
Structure of mail_addresses
mail_id
integer
Unique internal identifier of the message.
REFERENCES
mail
addr_id
integer
Unique internal identified of a recipient.
REFERENCES
addresses
addr_type
smallint
A constant integer that identifies the header where the email address is referenced. The possible values are:
From: 1
To: 2
Cc: 3
ReplyTo: 4
Bcc (only for outgoing messages): 5
addr_pos
smallint
The position of the address (starting from 0) in the header when it contains a list of addresses.