11 Red Flashing Warning Signs of Email Deliverability Problems Ahead


You also need to worry about things like importing the suppression list from your old provider, so that you don’t start off on the wrong foot by mailing to a bunch of bad addresses. When Bounce Rates Start to Exceed 3%-5%. Spammers often have high bounce rates, because their lists generally have lots of expired and guessed email addresses, since they try to reach the largest audience possible. When Opening Up a New Subscriber Acquisition Source.