Multiple scheduled one-to-one emails shows "This email wasn’t sent."

[duckbill]

I scheduled sending 170 one-to-one emails at around 6:30 am to 7:30 am. However, it stopped sending after 7:14 am. So only about 100 emails were sent and then I have to redo almost helf of them.  There is no batch sending for one-to-one emails so I have to do it manually either by scheduling or not. It's really a waste of time. I wonder if there is a sending limit in a certain time frame? What is that? I didn't see it in my plan. 

My domain email is under Zoho. I got the email from Zoho in "9 am" saying that my email was temporarily blocked due to unusual activity. It's after my failed sending, so I wonder what the rule is in Hubspot? I don't want to waste my time like this again. 

[franksteiner79 · Accepted solution]

Hi @duckbill 

I'm no expert but if you are getting an email from Zoho that your email was temporarily blocked due to unusual activity, then that sounds more like Zoho problem/limit than a HubSpot one to me.

Frank