Deliverability
Inboxes, domains, warmup and landing in the primary tab.
How many cold emails per day: work out the volume you need
How many cold emails per day do you need? Work backwards from a meeting goal, then turn it into per-inbox caps and a count of inboxes and domains.
Email spam test: how to tell if your cold emails land in spam
Run an email spam test on your cold email domain: seed tests, header reading, Postmaster Tools and reply patterns, plus where each one misleads you.
Email deliverability for cold outbound: the whole picture
Email deliverability for cold outbound explained: delivered vs inboxed, the four levers that decide placement, and how to measure each one.
Email deliverability tools: what each kind actually checks
Email deliverability tools fall into six kinds: DNS checkers, block-list checks, placement tests, provider dashboards, warmup and list verification. What each shows.
Hard bounce vs soft bounce: which one to worry about
Hard bounce vs soft bounce: 5xx means permanent, 4xx means try again. See real codes, what to do with each, and when a soft bounce is really a block.
Domain reputation: how mailbox providers judge your domain
Domain reputation decides whether your cold email lands in the inbox. What feeds it, how to see it in Google Postmaster Tools, and how to protect or recover it.
Email warmup: what it does, what it can't, and how long it takes
Email warmup builds a sending history for a new inbox or domain. Here is what it does, what it can't fix, how to ramp, and the signs an inbox is ready.
SPF, DKIM and DMARC explained for cold email
SPF, DKIM and DMARC explained for cold email: what each record does, how alignment ties them together, what Gmail and Yahoo require, and the usual mistakes.
How to stop emails going to spam (and find out why they are)
Why your emails are going to spam, how to check, and how to fix it: authentication, domain reputation, sending volume, list quality and content.
