Problems with sending email to Verizon - won't add me to whitelist?

Has anyone run into this situation and might have advice? I’ve recently found that I cannot send mail to addresses from my DO droplet. I filled out their form asking them to whitelist my system, but they denied it with the claim:

"Your IP has been blocked because of spam issues or because your ISP indicates that it is dynamically assigned

No Reverse Hostname associated with your IP address."

I do have reverse DNS, and as far as I know my IP with DO should be static. How can I convince Verizon of this?

Thanks much.

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Have the same issue with my two DO servers that do not send spam and are well secured. They show in no public black list but I found out they were blacklisted internally by a number of American ISP and Verizon refuses to remove them.

Hi there, run into the same issue a few days ago. I have 3 DO droplets, only one of them is blocked. The blocked one is in Netherland, the other two are in different data centers. Any permanent solution for this issue???

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