That actually sounds very likely.
I've never had an email delivery company return any communication at all once they have decided you're bad. (0% spam report rate, 0.01% bounce rate)
I've never had an email delivery company return any communication at all once they have decided you're bad. (0% spam report rate, 0.01% bounce rate)
Don't expect them to support a free service they decided to shutdown in anyway.
I strongly disagree. I’ve had the chance to speak with numerous deliverability folks who work at esp’s over the years and they’ve all for the most part been incredibly professional and helpful.