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Email Deliverability Guide: Why Emails Go to Spam (And How Forward Helps)

Practical email routing advice for teams building a cleaner inbox. Learn why your emails are going to spam and how to fix it. A complete guide to email deliverability with DMARC, SPF, DKIM setup and troubleshooting steps.

2026-02-15·Forward Team·12 min readTechnical Guide

emails going to spamemail deliverabilityemail spam preventionDMARC

Overview

Learn why your emails are going to spam and how to fix it. A complete guide to email deliverability with DMARC, SPF, DKIM setup and troubleshooting steps.

This guide uses emails going to spam as the anchor because it is the part teams usually need to solve first.

Recommended workflow

Start with a simple routing path, keep reply ownership obvious, and make sure the sender identity matches the domain.

When that is working, you can add labels, automations, or a CRM without changing the base flow.

Takeaway

The best email setup is the one the team can keep using without friction.

Bottom line

Learn why your emails are going to spam and how to fix it. A complete guide to email deliverability with DMARC, SPF, DKIM setup and troubleshooting steps.

Forward keeps custom-domain email simple: add the domain, publish the generated DNS records, then route aliases to the inboxes your team already uses.

Use forwarding for shared addresses, lightweight support queues, launch campaigns, and operations workflows without buying a mailbox for every address.

The best setup is predictable: root-domain verification, clear ownership, verified destinations, and logs that let you confirm mail is flowing correctly.

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