TL;DR: Don't send email to people unless they specifically solicit email from you and confirm their identity.
I.e., don't send unsolicited email.
I.e., don't send spam.
I just signed up for their newsletter from a few spamtraps. I'm a nice person.
TL;DR: Don't send email to people unless they specifically solicit email from you and confirm their identity.
I.e., don't send unsolicited email.
I.e., don't send spam.