On 17/11/2016 23:49, Michael Peddemors wrote:
Of course others are even worse than Hetzner.. 108.61.160.149 (S) 50 108.61.160.149.vultr.com 108.61.161.199 (S) 49 108.61.161.199.vultr.com
Actually, by default, outgoing smtp is firewalled at vultr. You need to ask them to allow your IPs. And this seems to be validated by a human being.
Having to ask per IP and mandating a correct RDNS should be a good start in preventing some/most of the outgoing spam.
I have been a customer of Hetzner some years ago and I remember they were prompt at blocking you when they detected something was wrong.
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