Fix guides
Short, step-by-step fixes for the problems our checkers find most often, and for the bounce errors Gmail and Outlook send back. Each one ends with a check to confirm it worked.
The nine reasons email lands in spam, most common first, and how to find and fix yours in a few minutes.
What Gmail, Yahoo and Microsoft now require before they deliver your email, and who counts as a bulk sender.
See whether your email lands in the inbox, spam or nowhere at Gmail, Outlook and Yahoo, and what to do with the results.
Every part of an SPF record explained, with copy-ready examples for Google Workspace, Microsoft 365 and more.
The exact SPF record Google Workspace needs, how to add other senders, and how to publish it.
The SPF record Microsoft 365 needs, the versions for government and China clouds, and how to add other senders.
Your SPF record goes over the 10-lookup limit, so SPF fails for all your mail. Here is how to get it back under.
Two SPF records make SPF fail for all your email. Here is how to merge them into one record that works.
Why your email shows spf=softfail, how it differs from fail and neutral, and how to get it passing.
Switch on DKIM signing for your Google Workspace domain in about ten minutes.
Publish the two DKIM records Microsoft gives you and switch on signing for your domain.
Why DKIM signatures fail, what “body hash did not verify” means, and how to fix each cause.
Publish a safe DMARC record today, then move from monitoring to full protection without blocking your own email.
Inboxes can’t find a DMARC record for your domain. Here are the usual reasons and how to add one that works.
Your DMARC record is set to p=none, so it reports but protects nothing. Here is how to move to quarantine and reject without blocking your own email.
What DMARC aggregate reports are, how to switch them on with rua, and how to read one to find who is sending as you.
Why email fails DMARC even when SPF and DKIM pass, how to find the cause in the headers, and how to fix it for good.
What BIMI needs before your logo shows in Gmail, Yahoo and Apple Mail, and how to publish the record.
Gmail refused your email because it couldn’t confirm it came from your domain. Here is how to get SPF, DKIM and DMARC passing.
The receiving server couldn’t read your DMARC record, so it refused your email. Here is how to find and fix the broken record.
Microsoft refused your email because your domain is missing SPF, DKIM or DMARC. Here is what it needs.
Microsoft 365 rejected your email because the address doesn’t exist at that company. Here is what to do, as the sender and as the admin.
Gmail is slowing your email down because of spam complaints or a sudden jump in volume. Here is how to recover.
Gmail blocked your email as likely spam. Here is how to find out why and fix it.
Gmail refused email from your server because its IP address has no reverse DNS. Here is how to set it up.
The difference between soft and hard bounces, what bounce rate is safe, and how to keep bounces from hurting your domain.
What catch-all domains are, why verification tools can’t confirm them, and how to email them without hurting your domain.
What the List-Unsubscribe headers are, what Gmail and Yahoo require, and how to add one-click unsubscribe.
Find out why your server was listed, stop the cause and get removed, without paying anyone.
See how Outlook.com treats email from your own IP addresses: filtering, complaints and spam trap hits.
Add SPF, DKIM, DMARC and verification records in GoDaddy DNS, with exactly what to type in each box.
