- Yabs.io Search (in tags:library,checker)urn:uuid:{C3DC1015-D5F2-0615-B61A-36E37EAB8991}2024-03-28T23:17:30Zreacherhq/check-if-email-exists: Check if an email address exists without sending any email, written in Rust.7420942021-07-22T15:50:28ZZChecks if email exists1xxx