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kevinc0319-prog

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Joined on Sep 11, 2026

kevinc0319-prog

Sep 11

Detecting disposable email domains without manual review

#backend #saas #security

4 min read

kevinc0319-prog

Sep 11

MX record lookup vs SMTP verification: what each one actually proves

#backend #networking #security

4 min read

kevinc0319-prog

Sep 11

Catch-all email domains and the false positives they cause

#cybersecurity #networking #security

4 min read

kevinc0319-prog

Sep 11

Email typo correction at signup: the cheap fix that saves real users

#softwaredevelopment #ux #webdev

4 min read

kevinc0319-prog

Sep 11

Build a zero-dependency email verification service in Node

#backend #javascript #node #tutorial

4 min read

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