Fix email deliverability on your sending platform.
Platform-specific guides to why your email lands in spam and how to fix it: authentication defaults, the hidden behaviors that quietly hurt placement, and how to test a real send. Verified against each platform's current documentation.
Fix Klaviyo emails going to spam
Klaviyo emails landing in spam? Fix klaviyomail.com DMARC alignment, set up a branded sending domain, and verify the live send with Unspam's inbox tests.
Read the guide mailchimpFix Mailchimp emails going to spam
Mailchimp campaigns landing in spam? Fix DKIM CNAMEs, DMARC alignment, Omnivore blocks, and shared IP issues, then verify with a real placement test.
Read the guide sendgridFix SendGrid emails going to spam
SendGrid emails landing in spam? Fix domain authentication CNAMEs, branded links, shared IP issues, and Microsoft S3140 blocks, then verify the live send.
Read the guide hubspotFix HubSpot emails going to spam
HubSpot emails going to spam? Fix DKIM on your connected sending domain, skip the misleading test send, and verify a real campaign send with Unspam.
Read the guide activecampaignFix ActiveCampaign emails going to spam
ActiveCampaign emails landing in spam? Fix acems1.com DKIM alignment, set up your sending domain, and verify the live send with Unspam's inbox tests.
Read the guide brevoFix Brevo emails going to spam
Brevo emails landing in spam? Authenticate DKIM and DMARC, escape the brevosend.com rewrite and shared IP drag, then verify a real send with Unspam.
Read the guide salesforceFix Salesforce Marketing Cloud emails going to spam
Salesforce Marketing Cloud emails landing in spam? Fix exacttarget.com DMARC alignment, set up the Sender Authentication Package, and verify a live send.
Read the guide constant-contactFix Constant Contact emails going to spam
Constant Contact emails landing in spam? Self-authenticate to stop sending as ccsend.com, fix DKIM-only DMARC alignment, then test a real send with Unspam.
Read the guide amazon-sesFix Amazon SES emails going to spam
Amazon SES mail landing in spam? Fix the amazonses.com MAIL FROM that breaks SPF alignment, set up Easy DKIM and a custom MAIL FROM, then test a real send.
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