Magic hidden are database fields that you can use dynamically within the email.
You can use the list below to add to your database (via Setup -> Database Fields):
bold = reserved. These names you cannot create but are created automatically
FieldnameFunction idRecipientID, each contact record has their unique user ID create_dateThe date the user is created in the database emailthe email address of the user mobile_nrin campaigns with SMS-sender this field gets added automatically. formatIf you use the option of the plaintext of HTML. DMDcreate_datecreate_date in some exports DMDmember_sincethe date that the user gets connected to the group you export. sender_namewhen you use this field this will replace the sender name sender_emailwhen you use this field this will replace the sender email reply_namewhen you use this field this will replace the sender-reply-name reply_emailwhen you use this field this will replace the sender-reply-email last_mail_datethe date that the last mailing is sent last_open_datelast date the email is opened last_click_datelast date the email is clicked dmd_last_remote_addrthe IP-address of the contact where the open/click/conversion has been dmd_last_browserthe browser of the last open/click/conversion has been dmd_last_browser_versionVersion number of the browser dmd_last_osoperation system dmd_last_click_dateSee last_click_date dmd_last_click_nametitle of the last link that is been clicked on dmd_last_open_datesee last_open_date dmd_last_geo_countryIf you use the GEOMODULE: the country where the IP-address is dmd_last_geo_regionIf you use the GEOMODULE: the region where the IP-address is dmd_last_geo_cityIf you use the GEOMODULE: the city where the IP-address is dmd_last_geo_latIf you use the GEOMODULE: the geo-lat where the IP-address is dmd_last_geo_longIf you use the GEOMODULE: the geo-long where the IP-address is dmd*Only SU-accounts can add these database fields