Is advertising in the autoresponder ad exchange considered “spam” or unsolicited email?
No, not at all! Advertising in email autoresponders assures you that your promotional material is delivered only to an eager audience. Why? Because by definition an autoresponder only responds when email requests are sent for its information. Thus, everyone who receives an autoresponder message had to specifically opt to receive it. Autoresponder advertising is not even remotely related to sending spam or unsolicited bulk email.
