Fresh perspectives and practical advice, all in one place.
Configure SPF (authorized senders), DKIM (cryptographic signing), and DMARC (policy enforcement) as TXT records to stop emails going to spam. Google and Yahoo require all three for business domains in 2026. SPF has a 10 DNS lookup limit.
Can having multiple SPF records break your domain email? Learn why multiple SPF TXT records cause failures and how to merge them correctly in 2026.
What happens when DMARC fails? Learn why DMARC authentication fails, what it means for your email, and how to fix alignment and policy issues in 2026
Is SPF alone enough to protect your domain email? Learn why SPF fails in 2026, its limitations, and what you need alongside SPF to prevent spoofing.
