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There are actually 3rd party services that mail companies can use to check how trusted an IP is. So a lot of times, they'll provision an EIP on AWS, run a check
by sudosteph 9y ago
There are actually 3rd party services that mail companies can use to check how trusted an IP is. So a lot of times, they'll provision an EIP on AWS, run a check against that service, use it if it's clean, and release and try again if it's not.
It does lock you to using EIPs though, which makes it a bit harder to scale up.
- Scoundreller 9y agoWhat's an EIP?
- jffry 9y agoElastic IP. You can reserve EIPs from among Amazon's pool and allocate them to other AWS resources that need public-facing IPs (like an EC2 machine).
- igammarays 9y agoYou might be interested in a provider-agnostic email API I am building to to avoid EIP/provider lock-in and have the security of multiple dedicated IP providers. Check it out: flutemail.com