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email on behalf of your domain. When a receiving server sees a message claiming to come from you, it checks your SPF record in DNS and verifies the sending IP

Content relevance Engagement levels Poor sending practices can quickly destroy even the best infrastructure, even if your domain has SPF, DKIM, and DMARC in place

: technical authentication, content discipline and a sending reputation that mailbox providers actually trust. Each layer counts — skipping one is usually enough to

Framework) helps mailbox providers answer a basic question: “Is this sender allowed to send emails for this domain?” When SPF works correctly, it prevents

local part (before the @), 255 characters for the domain part (after the @) and 320 characters in total. In practice almost every mailbox provider enforces a

you control, and a list of opted-in contacts. Pro tip: If you don't yet own a domain, get one before signing up — sending from a free webmail (gmail.com

guide DKIM is one of three Combine all three records for the strongest sending reputation. STEP 1SPF authorizesLists which servers may send for your domain. STEP

timeRecurrence: for daily or weekly newsletters Best sending windows AudienceSweet spot B2BTue-Thu, 9-11am B2C mass marketWed evening, Sat morning EcommerceThu-Sun, 7

, fewer bounces and protection against domain spoofing. This guide walks you through the exact steps, whether you use a shared sending domain or your own. Before

deliverability. Why it matters: Without SPF, anyone can forge your sending domain. Major providers (Gmail, Yahoo, Outlook) will increasingly send unauthenticated email