Fix my rust script -- 2

Job ID: 31838602

Budget: ₹1,500 – ₹12,500 INR

https://github.com/reacherhq/check-if-email-exists

i have implemented a version of this on my servers but when I upload a large files with thousands of records I get 502 errors.the current API only accepts processing one record at a time .You either modify the API to accept a file to process or fix the server issue .
script is live at
http://143.110.254.171
Related categories: PHP Python Linux Rust RUST Programming