I just signed up for ShortMail.com, a service that enforces (as you will see) 500 character or less email messages. I had to have a twitter account to sign up. Right away I send myself a really long message!
I was hoping, actually, that the message would get delivered. But, rather, it emailed my GMail account back and told me that the message was too long and that I had to edit it! Now, right away, I can’t imagine using this at work. This extra step would frustrate me, my mom, and probably many others. I think it would be easier to just allow the long email through and limit my messages to 500 words or less.
This message doesn’t seem too rude, but “Keep it under 500 characters this time, ok,” sounds a bit brat-ish to me.
I didn’t even edit the message to finish delivering it.