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Platform Guides

Email authentication and deliverability setup for every major platform.

2026-03-31

ActiveCampaign Deliverability Guide: Complete Optimization

How to maximize email deliverability on ActiveCampaign. Custom domain authentication, engagement management, predictive sending, and the settings most users miss.

2026-04-01

BigCommerce Email Deliverability Guide

Optimize email deliverability for BigCommerce stores. Authentication setup, ESP integration, transactional email configuration, and monitoring best practices.

2026-03-31

Brevo Deliverability Guide: Complete Optimization

How to maximize email deliverability on Brevo (formerly Sendinblue). Custom domain authentication, dedicated IP, engagement features, and the settings most users miss.

2026-03-30

Google Workspace Email Authentication: Complete SPF, DKIM, DMARC Setup

Step-by-step guide to setting up SPF, DKIM, and DMARC for Google Workspace. Every DNS record, every configuration step, with verification instructions.

2026-03-30

HubSpot Deliverability Optimization Guide

How to maximize email deliverability in HubSpot. Authentication setup, sending domain configuration, engagement management, and the HubSpot-specific settings that most users miss.

2026-03-30

Klaviyo Deliverability Guide: Complete Optimization

How to maximize email deliverability on Klaviyo. Custom domain authentication, Smart Sending, engagement segmentation, and the Klaviyo-specific settings that most users miss.

2026-04-01

Magento/Adobe Commerce Email Configuration and Deliverability Guide

How to configure email sending in Magento and Adobe Commerce. SMTP setup, authentication, transactional email optimization, and ESP integration for better deliverability.

2026-03-31

Mailchimp Deliverability Guide: Complete Optimization

How to maximize email deliverability on Mailchimp. Custom domain authentication, audience management, Omnivore abuse prevention, and the settings most users miss.

2026-03-30

Microsoft 365 Email Authentication: SPF, DKIM, DMARC Setup Guide

Complete step-by-step guide to configuring SPF, DKIM, and DMARC for Microsoft 365 (Exchange Online). DNS records, admin center configuration, and verification.

2026-04-01

Salesforce Email Deliverability Optimization Guide

How to optimize email deliverability in Salesforce. Authentication setup, sender profiles, compliance configuration, and monitoring for Salesforce Marketing Cloud and Sales Cloud.

2026-03-30

Shopify Email Deliverability: Complete Optimization Guide

How to optimize email deliverability for Shopify stores. Covers authentication setup, ESP configuration (Klaviyo, Mailchimp, Shopify Email), transactional email settings, and common deliverability issues.

2026-04-01

Shopify + Klaviyo Email Deliverability Optimization Guide

Optimize email deliverability for Shopify stores using Klaviyo. Authentication setup, flow optimization, suppression strategies, and monitoring for the Shopify-Klaviyo stack.

2026-04-01

Squarespace Email Configuration Guide: Authentication and Deliverability

How to set up email authentication for Squarespace. Configure SPF, DKIM, and DMARC for Squarespace Email Campaigns and third-party email services on Squarespace domains.

2026-04-01

Webflow Email Configuration: Authentication and Deliverability Setup

How to configure email authentication for Webflow sites. SPF, DKIM, DMARC setup for Webflow-hosted domains and integrating third-party ESPs.

2026-04-01

Wix Email Setup and Deliverability Guide

Configure email authentication for Wix domains. Set up SPF, DKIM, DMARC for Wix Email Marketing, Ascend, and third-party ESPs. Fix common Wix email deliverability issues.

2026-03-31

WooCommerce Transactional Email Setup via SMTP

How to fix WooCommerce email deliverability by routing transactional email through a proper SMTP service. Stops order confirmations from going to spam.

2026-03-31

WordPress Email via SMTP: Complete Setup Guide

How to fix WordPress email by routing through a proper SMTP service. Stops emails from going to spam, enables authentication, and replaces WordPress's broken default PHP mail function.