For me: Unsolicited automated email = Spam. Unsolicited semi-automated (i.e. fill in the blanks) email = Spam. Unsolicited personal email actually written by

For me: Unsolicited automated email = Spam. Unsolicited semi-automated (i.e. fill in the blanks) email = Spam. Unsolicited personal email actually written by a human = OK. Followup to unsolicited email because I didn't reply to the first one = Very rude. Instant blacklist of sender.