Everything cold email senders need to know about Google bulk sender rules in 2026: the 0.10% spam cap, SPF/DKIM/DMARC mandates, and one-click unsubscribe.
Microsoft cold email rules changed in 2026. Learn Outlook's auth mandates, complaint thresholds, domain ramp rules, and how to stay out of junk.
Microsoft Outlook adopted bulk-sender rules like Google's. The new auth + complaint thresholds and what they mean for cold outbound in 2026.
The three email-auth records every cold sender needs in 2026, set up correctly - with the DMARC policy that actually passes enforcement.
