The pricing cliff: why one extra contact can jump your bill 40%
Crossing a pricing tier by one contact can raise your bill by a third or more, ours included. Where the real cliffs sit, and what list hygiene does about them.
Practical writing on email: deliverability, list-building, and sending less to say more. From the small team behind EmailFig.
Subscribe by RSSCrossing a pricing tier by one contact can raise your bill by a third or more, ours included. Where the real cliffs sit, and what list hygiene does about them.
Nine competitors and EmailFig, priced at 5,000 to 100,000 subscribers. The entry price on every homepage stops predicting the bill well before 25,000.
Google and Yahoo publish 0.3%, but measure it differently. Amazon SES's own limit is 0.1%, and Gmail's complaints never reach your suppression list.
A bounce is an SMTP status code, not a label. What 5xx and 4xx actually mean, where the hard/soft split breaks down, and what to suppress versus retry.
Gmail and Yahoo require RFC 8058's List-Unsubscribe-Post header, not just a link in the footer. The exact header form, why GET fails it, and where Microsoft differs.
A new domain has no history with mailbox providers. Start with your most engaged contacts, raise volume gradually, and watch the two metrics that tell you it's working.
Mailbox providers score your whole list as one reputation, so cold subscribers cost your engaged ones too. How to define cold, re-engage, then remove the rest.
Promotions is a Gmail filing tab, not the spam folder. What actually decides placement, and how to tell it apart from a real deliverability problem.
SPF, DKIM, DMARC and MAIL FROM: what each DNS record looks like, exactly where it goes, and how to check it with dig.
SPF checks the sending server, DKIM checks the message, and DMARC ties both to the address your reader actually sees. How the three fit together.