False. Use a dedicated IP and don't send spam and you're fine (if you don't trust your users, run spamassassin in both directions). Google will complain about deliveries if you don't have IPv6 records. Everything else:…
False. Use a dedicated IP and don't send spam and you're fine (if you don't trust your users, run spamassassin in both directions). Google will complain about deliveries if you don't have IPv6 records. Everything else:…