There are dozens of threads on managing deliverability.Your particular Marketing Suspended case indicates that there is a flow that is marking soft bounces as suspended. Check your...
Take a look at the Time Zone rules in the docs.Your Email will start going out against the person's time zone, so it could be that it started to send at 830am Thursday their time.
Sure.Delivered isn't always posted back to Marketo.Delivered is assumed if not otherwise bounced.Opens isn't reliable.Are there clicks?Did you send a text only email?did you wait l...
I've had this problem and you have to create a Decision Node for Multiple Registrations where you can enforce a wait step and stagger this to prevent overwrites that are too quick.
Marketo, as with all proper ISP/ESPs, has abuse@marketo.com and postmaster@ and DMARC setup to allow people to get removed.I wasn't aware that Marketo would block an email address ...