Notes on sending well
Deliverability, AI in outreach, and how teams and agencies run cold email without burning domains.
Should you track opens on cold email?
Open tracking costs you some deliverability and tells you less than it used to. When it's worth it, and when to leave it off.
Nov 7, 2026, 2 min read
Gmail and Yahoo's sender rules, in plain English
Since 2024, Gmail and Yahoo require authentication, easy unsubscribes and low spam rates. What that means for cold email.
Nov 7, 2026, 2 min read
DeliverabilitySPF, DKIM and DMARC in ten minutes
The three DNS records every sender needs, what each one proves, and how to check yours with a free tool.
Nov 7, 2026, 2 min read
DeliverabilityWarmup is not a trick. Here's what it actually does.
Inbox providers trust mailboxes that behave like people. Warmup teaches a new mailbox to behave like one, and it can't fix a bad list.
Nov 7, 2026, 2 min read
CompanyWe killed the subscription. Here's the math.
Most cold email tools charge a monthly fee for capacity. Inboxed charges $1 per 1,000 emails, only for emails that actually send.
Nov 7, 2026, 2 min read
ProductWhy we sort replies by what they're worth, not when they arrived
A meeting request and an out-of-office reply shouldn't wait in the same line. Here's how the respond-first inbox decides what comes first.
Nov 7, 2026, 2 min read
GuidesThe agency playbook: one workspace per client
How outreach agencies keep each client's leads, money and replies separate, and still work from one login.
Nov 7, 2026, 2 min read
AILetting AI draft your replies without losing sleep
Approvals, limits and plain labels: the guardrails that make AI in outreach safe to turn on.
Nov 7, 2026, 2 min read