Most cloud IP blocks already have very poor reputations, and or already on Spamhaus blacklists.
People have a right to choose to be upset. =3
Most cloud IP blocks already have very poor reputations, and or already on Spamhaus blacklists.
People have a right to choose to be upset. =3
[1] https://www.spamhaus.org/resource-hub/service-providers/how-...
Again, using legitimate traffic to shim network spam is a common counterargument against black listing.
Of the approximate 274000 banned hosts I stare at... many nuisances are from Amazon, Azure, digital ocean, and Hetzner. I am sure Maildrill or Mailchimp does have legitimate use cases, but generally the majority of the traffic suggests otherwise. I am certainly biased in this opinion. =3
TBF, the demo app referenced in TFA and depending on how many emails you actually send for however many domains may well be a better option for me than my small MTA server.