Guides
Practical deliverability fixes for every platform
Diagnose what’s broken, see why it’s broken, fix it in under 10 minutes. Each guide is platform-specific — no generic advice that doesn’t map to your setup.
Fix WordPress wp_mail() going to spam: the complete diagnostic + fix guide
WordPress sends mail from wordpress@yourhost.com by default — an address that fails SPF, DKIM, and DMARC. Here's why your wp_mail() emails land in spam and how to fix it in 5 minutes.
Read the guide →Fix Shopify SMTP: send order confirmations from your custom domain
60% of Shopify stores have at least one chronic email delivery problem. Here's how to diagnose it and fix it in 5 minutes — no DNS gymnastics, no Sendgrid setup marathon.
Read the guide →Squarespace email troubleshooting: why your form submissions aren't arriving
Form submitted. No email. Sound familiar? Here's how to diagnose Squarespace's shared-SMTP delivery issues and switch to webhook-based delivery that actually works.
Read the guide →Webflow form delivery: why your form notifications miss (and the 5-minute fix)
Webflow forms collect submissions reliably. Email notifications? Not so much. Here's how to bypass the noreply@webflow.com bottleneck with a webhook.
Read the guide →Wix contact form email not working: how to fix it in 5 minutes
Wix contact form submitted but the notification email never arrived? Here's why Wix's default sender fails Gmail filters and the two real fixes that work.
Read the guide →Ghost newsletter delivery troubleshooting: when transactional emails miss
Ghost members aren't getting welcome emails, magic-link logins, or transactional notifications? Here's how to fix Ghost's default mail delivery in 5 minutes.
Read the guide →Mailchimp Transactional (Mandrill) email problems: diagnose and fix in 5 minutes
Mailchimp Transactional rebrand of Mandrill is confusing, expensive, and shares IPs across customers. Here's why delivery fails and the simpler alternative.
Read the guide →Fluent Forms not sending email? Here's why (and the 5-minute fix)
Fluent Forms submissions arrive in the dashboard but the notification email never lands? It's a wp_mail() problem, not a Fluent Forms bug. Here's the real fix.
Read the guide →Forminator email setup: configure notifications that actually arrive
Forminator notification emails going to spam — or missing entirely? It's WordPress's wp_mail() problem, not Forminator. Here's the 5-minute fix that works on every host.
Read the guide →More guides coming soon
We’re publishing one new guide per week — WordPress wp_mail troubleshooting, Wix email setup, Bubble notifications, custom HTML forms. Want one prioritized? Tell us which platform.