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 ...
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. ...
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 ...
"Unlimited Sending" refers to a software licensing model where the platform does not cap your volume, but it does not override the physical "Throttling Limits" imposed by email service providers (ESPs) like Google, Outlook, or Amazon SES. While an "Unlim ...
Sender Identity Management is the strategic practice of distributing email volume across dozens of distinct "From" addresses and domains to dilute reputation risk. By treating each inbox as an independent node in a network rather than a single channel, h ...
Cold email ROI (Return on Investment) is the financial ratio that measures the revenue generated from outbound campaigns relative to the cost of infrastructure (domains, software, data). Unlike paid advertising, where costs scale linearly with traffic (C ...
Safe email scaling is the algorithmic process of gradually increasing outgoing email volume by 10-20% daily across a decentralized network of inboxes, rather than a single domain, to avoid triggering spam filters. This "ramp-up" strategy builds sender re ...
Usage-based pricing (per-seat or per-email) is a legacy SaaS billing model where costs increase linearly with scale, punishing high-volume senders. In contrast, the "Unlimited" model separates software fees from infrastructure costs (BYO-SMTP), allowing ...
Data hygiene in cold email is the rigorous process of verifying, scrubbing, and segmenting prospect lists to ensure near-zero bounce rates before a campaign launches. At the enterprise scale of 100,000+ emails per month, data quality is not just a metric ...
AI-driven email copywriting is the use of Large Language Models (LLMs) like Google Gemini and GPT-4 to generate hyper-personalized sales outreach at infinite scale. Unlike traditional mail merges that simply swap {{FirstName}}, modern AI analyzes a prosp ...
