Proxy-Cheap.com(@ProxyCheap):3 things decide how much you can trust an IP. → Blacklist status. If it's on Spamhaus, everything downstream gets harder. This needs ongoing monitoring because IPs get listed overnight. → DNS setup. A missing PTR record is an instant red flag for mail servers. → Network type. IPs from real ISP networks score better than datacenter ranges, because that's where normal human traffic comes from. Shared IPs are cheaper for a reason. Know what you're sharing.

Proxy-Cheap.com

@ProxyCheap

High-Quality Mobile, Residential and Data Center proxies at extremely competitive prices. Residential Proxies 6+ Million IPs pool from 127 countries.

参加 December 2019

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Proxy-Cheap.com@ProxyCheap

2026.08.14 16:29

3 things decide how much you can trust an IP. → Blacklist status. If it's on Spamhaus, everything downstream gets harder. This needs ongoing monitoring because IPs get listed overnight. → DNS setup. A missing PTR record is an instant red flag for mail servers. → Network type. IPs from real ISP networks score better than datacenter ranges, because that's where normal human traffic comes from. Shared IPs are cheaper for a reason. Know what you're sharing.