Having run a mailing list I can pretty much tell you that despite your best efforts to put the right headers in so Google can do their own unsub links, unsub at top and bottom, etc, that despite all this and being fully CAN-SPAM complaint that people will still write emails to your ISP claiming that your sending SPAM. I'm not sure why but usually it's academics who send these. Maybe people sign them up for mailing li…
> Maybe people sign them up for mailing lists b/c they are jerks or something Not possible if you have a confirm step. And you should have a confirm step.
Always, without fail, you will get someone that signs up, confirms and then mashes the spam button two emails later while sending you irate "HOW DID YOU GET MY EMAIL ADDRESS UNSUBSCRIBE ME OHGODWHATHAVEYOUDONE?!" emails.
It's remarkable, really.