I recently purchased a server, and found out yahoo, hotmail, gmail had blocked my IP and my emails were not being received. I have an account with each of these mail services and that's why I knew they were being blocked. We already contacted those three email services and they unblocked it.
My question is: Does everyone have to go through the tribulations of having to test for a blocked IP? Do email services by default block IPs until they improve their reputation?
Should I ask that they change my IP address? I'm also not going to pay for an email service to send my emails. And I am not going to create more test accounts with other email services on the off chance that it is also blocked.
As I tell other people, you are often a victim of IP space reputations. If your neighbors (say the other /25 of the /24 you're in) spam a lot, you will suffer because of them. Or the previous IP owner spammed, and you're blacklisted.
On my never-assigned-before IP blocks I have for my personal machines, emailing is smoooooooth.
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