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Senders & deliverability

16 articles
Authenticate your sending domain
Authenticate your domain with SPF, DKIM and DMARC so your MailMachine emails reach the inbox.
Add and manage senders
Add and verify the "from" address your campaigns send from, and the deliverability rules that go with it.
Use your suppression list
How the suppression list keeps you from emailing people who complained or opted out, and how to manage it.
Email deliverability basics
What deliverability is, why permission and reputation drive it, and the factors that get you into the inbox.
Protect your sender reputation
Why sending from your own authenticated domain - not a free address - protects trust and deliverability.
What to do if your domain is blacklisted
How to check whether your domain is on a blacklist, what to do if it is, and how to prevent it.
Why a campaign goes under review
What it means when a send is held "under review", what triggers it, and how to clear and avoid it.
Understanding account suspensions
Why accounts get suspended - bounces, spam traps, complaints - and how the resolution process works.
Managing email bounces
The different bounce types in MailMachine - soft, hard, blocked, full mailbox and more - and how to handle each.
Opens and implicit opens explained
How MailMachine tracks opens, what an implicit open is, and why your open numbers can look surprising.
Troubleshoot missing emails
A step-by-step process for working out why an email never reached a recipient, and how to fix it.
Understand delivery delays
Why a campaign can take time to send, what timings are normal by list size, and when a delay needs investigating.
Keep emails out of spam
The authentication, content balance and trust signals that keep your campaigns in the inbox, not the junk folder.
Understand feedback loops
What a feedback loop is, the complaint-rate threshold to stay under, and how it protects your delivery.
Role-based email addresses
Why addresses like sales@ or admin@ are risky for marketing email and how MailMachine protects you.
Fix image display issues
Choose the right image format and track down why images might not display in your sent campaigns.
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