Q: Can I use your proxies to send emails via SMTP on port 25? A: No. SMTP doesn’t support http proxies, you need socks proxies Rate answer [Total: 0 Average: 0/5] Related posts: Are your proxies working with Atomic Mail Verifier? On which ports are running your proxies? Does the port matter? How to use the proxies in python Can I use the proxies without user and pass?