In Transit 100,000 messages, one send
One send, judged a hundred thousand times
Every message is checked by the relay, then by authentication, reputation, filtering and AI triage. All of it happens before anyone reads a word, and it is over in well under a second.
Indicative 2026 figures for large political senders, from public provider guidance and industry reporting.
Index Current issue and archive
Issues
Start anywhere. Each issue takes one deliverability problem and follows it until something useful falls out.
Dispatch · October 2026
How many emails can one IP actually send per day?
There’s no dial marked “2 million.” Sending capacity is an emergent property of trust, not a spec sheet number.
October 2026 · Current
How Email Warm-Up Works
A realistic timeline to full volume: four phases, what gets watched at each one, and why rushing moves the delay to a worse moment.
August 2026
ISPs Are Watching You
Authentication proves who you are. Reputation is judged every time you send, and 83% of delivery failures trace back to it — not your content.
July 2026
Political Email Trends to Watch in 2026
Nine shifts reshaping how campaigns reach the inbox, with a play for each before the midterms. Includes a six-turn season you can run yourself.
June 2026
Your Emails’ Identity Crisis
SPF, DKIM and DMARC are the credential check that happens before Gmail reads a single word you wrote.
June 2026
You Mapped the Maze. We Built the Exit.
A reply to the CCI’s partisan email divide report — agreeing with almost all of it, then fixing the ending.
April 2026
Send Smart, Win Big
How the campaigns that win elections think about email — and why most are getting it completely wrong.
Intro · March 2026
Why Your Emails Might Be Going to the Spam Folder
The space between “sent” and “seen” is where all your problems reside.