The Mailbird Blog

Thousands of macOS users face frustrating email authentication failures after recent system updates, with IMAP accounts randomly signing out despite correct passwords. This guide explores the technical causes behind these widespread disruptions and provides practical solutions to restore email access on your Mac.

Email security has evolved from optional to mandatory in 2026, with complex encryption standards and authentication protocols challenging businesses worldwide. This comprehensive guide helps IT professionals navigate HIPAA compliance, OAuth 2.0 migration, authentication errors, and regulatory requirements to implement secure, reliable email infrastructure that meets modern security standards.

Gmail's AI-powered transformation has disrupted how 1.8 billion users manage email, burying important messages and prioritizing relevance over recency. These fundamental changes affect professionals' workflows and raise critical questions about control, transparency, and whether better email management alternatives exist for those dependent on reliable communications.

The FTC's expanded investigation reveals major email providers collect excessive data, share it without proper consent, and fail to protect against breaches. This guide examines what these findings mean for your email privacy and provides practical steps to secure your communications in 2026.

In 2026, nearly 17% of legitimate business emails fail to reach recipients due to invisible DNS misconfigurations. This crisis causes missed opportunities, lost revenue, and damaged relationships. This guide explains what's causing email delivery failures and provides actionable solutions to restore reliable business communications immediately.

Major email providers implemented sweeping IMAP rate-limiting changes in 2025, causing widespread sync failures and authentication errors. This guide explains why your email client suddenly stopped working and provides actionable solutions to regain reliable access when providers enforce restrictive policies without warning.

Gmail users worldwide are experiencing authentication failures as Google transitions from password-based login to OAuth 2.0 tokens for third-party email clients. This guide explains why email clients like Outlook and Thunderbird stopped working and provides practical solutions to restore secure access.

Apple Mail users face mounting security challenges in 2025, with nine zero-day exploits requiring emergency patches. The latest December update addresses critical WebKit vulnerabilities linked to sophisticated surveillance campaigns. These ongoing security concerns, combined with persistent functionality issues, raise questions about Apple Mail's reliability for professional use.

Critical zero-day vulnerabilities in widely-used email libraries expose millions to security risks, with maximum-severity flaws allowing attackers to bypass authentication mechanisms like SPF, DKIM, and DMARC. This guide explains how these vulnerabilities affect popular email clients and provides essential steps to protect yourself immediately.

iPhone users across all models are experiencing severe battery drain after iOS updates, with the Mail app consuming up to 51% of daily battery power even when not in use. This guide reveals the causes behind this widespread epidemic and provides immediate solutions to restore your device's battery life.