IP Warmup is the gradual process of increasing the volume of email sent from a dedicated IP address to establish a positive sender reputation with Internet Service Providers (ISPs). By systematically ramping up traffic over 4-8 weeks, senders prove to Go ...
SPF, DKIM, and DMARC Explained in Plain English (With Setup Guide)
Email authentication (SPF, DKIM, DMARC) is the DNS-based security protocol that proves your identity to receiving servers. Without these three records, your emails are treated as anonymous, unverified traffic and are automatically routed to spam folders. ...
SMTP vs. API: Which is Better for Cold Email?
The choice between SMTP (Simple Mail Transfer Protocol) and API (Application Programming Interface) for cold email comes down to a trade-off between volume and reputation. SMTP is the universal standard for high-volume, low-cost sending (e.g., Amazon SES ...
Email Deliverability 101: The Complete Technical Guide to Landing in the Primary Inbox
Email deliverability is the technical measure of how successfully an email lands in a recipient's primary inbox rather than being filtered into spam folders or blocked entirely. Unlike "delivery rate" (which simply confirms the server accepted the messag ...



