Why Email Deliverability Matters in Multi-Factor Authentication (MFA) Workflows
ID: f5e14090-ce35-55fa-9521-a1835090283c
STIX ID: report--f5e14090-ce35-55fa-9521-a1835090283c
Feed Name: Security Boulevard
Date Published: 2026-04-28
Date Updated: 2026-04-28
Author: SSOJet - Enterprise SSO & Identity Solutions
This blog post argues that reliable email delivery is a critical component of MFA, explains how deliverability issues (sender/IP reputation, authentication records, sending patterns) can break login flows, and recommends practices—such as SPF/DKIM/DMARC, domain/IP warm-up, separating transactional and marketing mail, monitoring deliverability metrics, and using dedicated tools—to ensure timely arrival of OTPs and magic links.
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