Regardless of the newsletter category, the only tokens that may be used in an email subject line are as follows:

i.      [companyname]

ii.      [guestname]

iii.      [bookingid]

iv.      [propertyname]

v.      [propertytitle]

vi.      [propertyid]

vii.     [bedrooms]

viii.    [ownername]

ix.    [balanceduedate]

x.     [arrivaldate]

xi.   [departuredate]

xii.   [numnights]