Step-by-Step Guides to Building and Growing Your Website
Blacklists list sending IPs and domains, not mailboxes. How to check one by hand, a live test showing Spamhaus returns a false ‘clean’ through some public resolvers, and what to do if you are listed.
Four ways to test email deliverability on a WordPress site, what each one can and cannot prove, and real SPF, DKIM and DMARC results from 63 received messages across two site mailboxes.
Four ways to restore a WordPress site from a backup: host panel, plugin, FTP with phpMyAdmin, and WP-CLI. See which one fits, why files and database must match, and what to check afterwards.
Free Gmail stops at 500 messages a day and Google Workspace at 2,000. See how many WooCommerce orders that covers, what the 550 5.4.5 error means, and when your host is the tighter limit.
A line by line decode of the Microsoft 365 SPF record, what sits behind the include, why it costs one lookup, and how 38 real organisations extend it.
Add an ip4 term before the all, keep one SPF record, and read the slash correctly. Includes how 40 real domains write theirs and how to check the change worked.
A DMARC rejection means neither SPF nor DKIM aligned with your From domain. Here is how to read the bounce, find the sender, fix it, and what 40 real domains publish.
Google Workspace gives you a 410-character DKIM record that many DNS panels reject. Here is the setup order, what 27 real domains publish, and how to check your signature lines up.
Microsoft 365 will not publish your SPF, DKIM or DMARC records for you. Here is the order to set them up in, the exact records, and why your website contact form is what usually breaks it.
A DKIM selector is the label that tells receivers which public key to fetch from your DNS. Here is how to read yours from an email header, what real selectors look like, and why guessing fails.