A sending plan for Black Friday and Cyber Monday
A week-by-week volume ramp for Black Friday 27 November and Cyber Monday 30 November 2026, built around engagement tiers and Gmail’s spam rate limits.
Gmail and Yahoo sender requirements, with the real thresholds
What Google and Yahoo actually require from senders: the 5,000 a day line, 0.10% and 0.30% spam rates, authentication, unsubscribe rules and SMTP error codes.
Nine things to check before you send a campaign
A practical pre-send checklist: nine checks to run in the Mailnaptic campaign builder, with the reason behind each and what goes wrong when you skip it.
How to set up SPF, DKIM and DMARC for a new sending domain
A practical guide to publishing SPF, DKIM and DMARC for a new sending domain, verifying them, and moving DMARC from none to reject.
A three-email abandoned cart flow, step by step
Reminder, answer, last call: how to set up a three-email abandoned cart flow in Mailnaptic, what each email says, and how to read the results.