Personal Domains
How to Design a Personal Email Alias Naming System
Write one pattern. Probe it. Kill leaked strings. Catch-all is not a naming system.
personal email alias naming
Read the guideMailerZ Blog
Domain email guides you can operate.
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DNS Provider Guides
How to Compare Google Public DNS and Cloudflare DNS After a Change
Two public views. Split is cache. Same leftover is unfinished DNS.
compare dns propagation resolvers
Read the guideBuyer Guides & Decision
MailerZ Review Checklist: Who It Fits and Who Should Choose Something Else
Fit the hop. Decline misfit jobs. Probe is the review.
mailerz review
Read the guideBuyer Guides & Decision
Email Forwarding Pricing Guide: What Limits Matter?
Limits first. Sticker second. Free proves inbound. Solo starts send-as. Paying more does not file Primary or merge leftover MX.
email forwarding pricing
Read the guideCompetitor Comparisons
MailerZ vs Forward Email: Managed Routing Compared
Compare leftover-MX discipline, unknown HOLD, hop store, send-as caps, and honest From. Not an inbox SLA on either side.
mailerz vs forward email
Read the guideSecurity & Abuse
Is Email Forwarding Secure? Threat Model for Custom Domains
The hop is a new trustee. Verify the domain. HOLD unknowns. Rotate secrets. Do not rewrite From.
email forwarding security
Read the guideCatch-all & Routing
How to Use Catch-All Email for Typo Recovery Without Accepting Everything
Name the typo. Hold the rest. Use catch-all FORWARD for a week you staff, then turn it off.
catch all email typo recovery
Read the guideSecurity & Abuse
Catch-All Abuse: How Attackers Guess Addresses
Guessable local-parts are a directory. HOLD shows the guesses. FORWARD delivers them to Gmail.
catch all email abuse
Read the guideAgency & Multi-domain
How to Offboard a Client Domain Safely
Return the zone cleaner than you found it. Revoke secrets. Date the exit.
client email domain offboarding
Read the guideCompetitor Comparisons
MailerZ vs Fastmail: Forwarding Layer vs Hosted Mailbox
Fastmail is a store. MailerZ is a hop. Keep Gmail and add MailerZ, or move the store to Fastmail. Not both MX.
mailerz vs fastmail
Read the guideSecurity & Abuse
Custom Domain Email Threat Model: DNS Hijack, Credential Theft and Abuse
If they own NS they own inbound. Leftover MX is self-hijack.
custom domain email threat model
Read the guideBusiness Role Addresses
How to Route One Public Address to Two Founders
One hop. Two stores. Write who replies. Leftover MX is not a second founder.
email alias multiple founders
Read the guideDNS & MX
DNS Looks Correct but Email Still Fails: What to Check Next
Pretty DNS is the start. Exclusive MX, named alias, history, and a non-self probe close the ticket.
dns correct email not working
Read the guideSPF DKIM DMARC SRS ARC
SPF Explained for Email Forwarding: Why Forwarders Complicate It
SPF judges the hop, not the visible From. Naive forwards fail at Gmail. MailerZ rewrites MAIL FROM only.
spf email forwarding
Read the guideDeliverability & Spam
Email Forwarding Deliverability Checklist Before Going Live
Routes before MX. Probe before the homepage. Dual MX is not a gate you pass.
email forwarding deliverability checklist
Read the guideDelivery Recovery & Observability
How to Read Delivery Hops From Sender to Destination
A hop is a Received line plus a store row. If either is missing, name which.
email delivery hop logs
Read the guideDNS Provider Guides
DKIM Selector Lookup Guide for Common DNS Providers
dkim selector lookup: one MX set, leftover hosts gone, Gmail or Outlook as the store.
dkim selector lookup
Read the guideCompetitor Comparisons
MailerZ vs Google Workspace: Forwarding + SMTP or Full Office Suite?
Workspace is a hosted suite. MailerZ is a delivery layer around the inbox you already use. Pick one store, publish one MX set, and prove inbound first.
mailerz vs google workspace
Read the guideAgency & Multi-domain
Multi-Domain SMTP Sending Without Running Your Own Mail Cluster
You do not need Postfix on a VPS. You need approved Froms and a lookup-safe SPF per zone.
multi domain smtp sending
Read the guideAgency & Multi-domain
How to Consolidate Client Domain Email Into Existing Inboxes
Maps not mailbox farms. Serial cuts. Existing Gmail tabs.
client domain email consolidation
Read the guideDNS & MX
DNS Propagation or Bad Configuration? How to Tell
Disagree is time. Two brands is leftover. Wrong panel is not TTL.
dns propagation vs configuration error
Read the guideDelivery Recovery & Observability
What an SMTP Audit Trail Should Contain
smtp audit trail: one MX set, leftover hosts gone, Gmail or Outlook as the store.
smtp audit trail
Read the guideCompetitor Comparisons
MailerZ vs Purelymail: Routing Layer vs Low-Cost Mail Hosting
Name the store. Quote $10 live. Keep Gmail and add a hop, or move IMAP. Not both MX.
mailerz vs purelymail
Read the guideSMTP Send-as
How to Send Website Contact Form Email Through Authenticated SMTP
Forms need an approved From and a secret you can revoke. PHP mail() is not a plan.
website contact form smtp
Read the guideDelivery Recovery & Observability
How to Distinguish Temporary Deferral From Permanent Failure
4xx waits. 5xx needs a cause. Dual MX is not backoff.
email deferral vs permanent failure
Read the guide
