"Mailing list" also includes a magnetic tape or similar device used to produce written or printed names and addresses by electronic or mechanical means.IMHO you will be fine

Here are three great ways to generate leads from people going through a divorce.Post an advertisement in your local grade school news letter.

But, I'm thinking about  handwriting the name and address on the envelopes, with a real stamp (not electronic). 

It's a bank account with a banking app that is essentially just an electronic "envelope system" but it allows you to categorize transactions from every swipe and then credit that expense from the appropriate envelope.

While I already follow up via text and email, I'm considering a drip campaign, too.I'd like to do a number of electronic follow-ups but then turn to mailing them.

@Reid Hanley Many park owners either do check, money order and/or electronic deposit.