"Gmail - Google's Email Service" matching MCP connectors:

An MCP server that provides tools to validate an email address using Dilli Email Validation API.

Free *.pntr.dev dev subdomains — register subdomains, manage DNS and wildcard records, receive email on disposable inboxes, and capture HTTP requests for webhook debugging. OAuth sign-in; free tier.

20+ pay-per-use APIs: image gen, crypto data, email verify, SSL check, web scraping, and more.