NO!!!!!!! to the mailing list!
if the editor uses the magazines ad space to advertise their prints, it is just taking space away from where there could have been magazine revenue generating things. If it is meant as something to put money partially into the publication and also the editor for his time and trouble of making said prints, I don't see anything wrong with that. That is a decision made by that publication and they know the implication of lost revenues from that space not going to other paying advertisers.