Articles
Email guides and articles
Essays and field notes on email: deliverability, business email on your own domain, newsletters, and outreach. Written by the people who run the presses.
Category
Deliverability
Email deliverability guides: SPF, DKIM and DMARC authentication, warm-up ramps, complaint rates, and the Gmail and Yahoo rules that decide whether mail lands.
Read the file →
Category
Business email
Business email on your own domain: creating addresses, how aliases differ from mailboxes, running a shared inbox, and what escaping per-seat pricing costs.
Read the file →
Category
Newsletters
Newsletter guides: writing issues people finish, designing mail that renders everywhere, subject lines after Apple MPP, and sending from a domain you own.
Read the file →
Category
Outreach
Cold email that does not burn the domain your business runs on: separate domains, warm-up, safe daily volume, and what CAN-SPAM and GDPR really require.
Read the file →
Latest from the press
Aug 7, 2026Why are my emails going to spam? Six checks, in the order they failDeliverability
Aug 7, 2026What is SMTP? How email sending actually worksBusiness email
Aug 7, 2026What is DMARC? How it works and which policy to useDeliverability
Aug 7, 2026What is DKIM? How email signing works, and setupDeliverability
Aug 7, 2026What is a cold email? Definition, rules and examplesOutreach
Aug 7, 2026Welcome email examples: 5 originals you can adaptNewsletters
Aug 7, 2026SPF record: syntax, examples and the 10-lookup limitDeliverability
Aug 7, 2026SPF, DKIM, and DMARC: three records, one systemDeliverability
Aug 7, 2026Spam complaint rate: the 0.1% and 0.3% lines, with the mathDeliverability
Aug 7, 2026Shared inbox: 5 setups compared for small teamsBusiness email
Aug 7, 2026Professional email address: formats, examples and rulesBusiness email
Aug 7, 2026Plain text vs HTML email: why you should send bothNewsletters
Aug 7, 2026Newsletter subject lines: examples and length rulesNewsletters
Aug 7, 202626 newsletter ideas for 2026, with real examplesNewsletters
Aug 7, 2026Newsletter examples: 9 that work, and why they workNewsletters
Aug 7, 2026What is an MX record? How mail routing actually resolvesDeliverability
Aug 7, 2026List-Unsubscribe header: one-click unsubscribe setupDeliverability
Aug 7, 2026Is cold email legal? CAN-SPAM, GDPR, and CASLOutreach
Aug 7, 2026IMAP vs POP3: the difference, and which one to useBusiness email
Aug 7, 2026How to write a newsletter: the process, start to finishNewsletters
Aug 7, 2026How many cold emails per day? Safe limits by domain ageOutreach
Aug 7, 2026Google Postmaster Tools in 2026: setup, what survived v2, and reading it at low volumeDeliverability
Aug 7, 2026Gmail bulk sender requirements 2026: every ruleDeliverability
Aug 7, 2026Email warm-up: the day-by-day ramp for a new domainDeliverability
Aug 7, 2026Email signature examples: 6 you can copy todayBusiness email
Aug 7, 2026Average email open rate: what the benchmarks really sayNewsletters
Aug 7, 2026Email newsletter design: 7 rules that always renderNewsletters
Aug 7, 2026Hard bounce vs soft bounce: what the SMTP codes actually meanDeliverability
Aug 7, 2026Email blacklist check: how to see if you are listed, and get offDeliverability
Aug 7, 2026Email authentication: what to set up, in what orderDeliverability
Aug 7, 2026Email aliases: what they are, how to set one up in Gmail, and when they stop scalingBusiness email
Aug 7, 2026Double opt-in: what it is and when to require itNewsletters
Aug 7, 2026Custom domain email: 4 ways to get you@yourdomain, pricedBusiness email
Aug 7, 20268 cold email templates you can copy in 2026Outreach
Aug 7, 2026Cold email subject lines: 24 examples that workOutreach
Aug 7, 2026Cold email follow up: the 3-touch sequence that gets repliesOutreach
Aug 7, 2026Cold email domain setup: protect your root domainOutreach
Aug 7, 2026Catch-all email: what running one in production is actually likeBusiness email
