Posts by Toshi Onishi - Klaviyo
2026-03-10 19:10 Diff

Toshi Onishi is a senior deliverability strategist at Klaviyo, based out of Sydney, Australia. With his 20+ years experience in the email industry, he is truly a deliverability all-star, specializing in the APAC environment. Toshi’s treasures are his partner and little boy, with whom he spends most of his spare time. He also loves reading––both in English and Japanese––a wide range of topics from industry news to fantasy novels.

Posts by this author

How to secure sign-up forms

Security is critical for preserving the effectiveness of your sign-up forms. Implement solutions like double opt-in or CAPTCHA and learn how Klaviyo can help.

Why DMARC is so important

Fortify email security with DMARC. Learn why it matters for preventing spoofing/phishing, and get guidance on implementing this crucial authentication protocol.