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Hey, 1 & 2 You're right. It was 3am and I wasn't paying much attention to that kind of details :p 3. Yes. Regarding spam: it's not really useful for spammers

Hey, 1 & 2 You're right. It was 3am and I wasn't paying much attention to that kind of details :p 3. Yes. Regarding spam: it's not really useful for spammers because they'd have to send one message at a time. Although they could build bots, Rails 3's security methods offer primary defense against this. Not that it couldn't be circumvented. I thought about sending a confirmation e-mail, but I deemed that to be an unnecessary layer of complexity - I wanted to build the simplest e-mail reminder service around. I guess I would edge towards daily IP based limits?

BarkMore 16y ago
The problem is not so much bulk sending of mail, but sending of unwanted mail from one user to another. Amazon might shut you down if you have a large number of recipients marking these unwanted messages as spam. Perhaps you should record enough information about sender (ip address, unique cookie) so that you can bulk delete and blacklist a problem sender. You can identify problem senders from the unsubscribe link that should be included in the messages.