Email domain authentication for Shopify: SPF, DKIM, DMARC
Learn what SPF, DKIM, and DMARC check, how email domain alignment works, and how to verify your Shopify marketing email without disrupting other senders.
← All articles
Email deliverability guides for Shopify merchants
Give your marketing email a dependable foundation. These guides explain domain authentication, audience quality, sender recognition, and delivery troubleshooting, with practical checks before you increase sending volume.
18 articles
Deliverability Deliverability Email list cleaning without losing customer history
Clean your Shopify email audience by separating consent, invalid addresses, bounces, and inactivity while retaining the customer history you still need.
Deliverability How to choose an email sender name customers recognize
Choose a recognizable email sender name, a consistent From address, and a monitored reply route for marketing messages your customers can trust.
Deliverability Email warmup: a sending plan you can adjust
Plan email warmup around engaged subscribers, consistent sending, and delivery feedback. Learn when to increase volume, pause, or investigate a problem.
Deliverability SPF records for email marketing: what merchants should check
Understand which identity SPF checks, why duplicate records and DNS lookup limits matter, and how to verify a real marketing email after a DNS change.
Deliverability DKIM email authentication: verify your campaign signature
Understand the DKIM signing domain and selector, check a delivered message, and investigate authentication failures before changing your store's DNS.
Deliverability DMARC alignment: how to check your marketing email
Learn how DMARC connects SPF or DKIM authentication to the visible From domain, and how to review legitimate traffic before tightening your policy.
Deliverability Hard bounce vs. soft bounce: what to do after an email fails
Distinguish permanent email failures from temporary problems, interpret delivery responses, and keep unsuitable addresses out of future campaigns.
Deliverability How to reduce email spam complaints at the source
Reduce email spam complaints by reviewing signup expectations, sender recognition, audience eligibility, and the combined load of campaigns and automations.
Deliverability Email unsubscribe best practices: respect the full journey
Make email unsubscribing clear and test that customer choices survive campaigns, automations, imports, and changes to subscription records.
Deliverability Email suppression lists: keep exclusions intact after imports
Manage email exclusions so unsubscribes, invalid addresses, and campaign-specific restrictions survive Shopify contact imports and audience updates.
Deliverability Choosing an email marketing subdomain for your store
Choose an email marketing subdomain as part of a managed sender identity, then verify DNS, authentication, recognition, and ongoing ownership.
Deliverability Restarting email marketing after a long break
Resume email marketing with a refreshed audience review, recognizable messages, and gradual sending decisions guided by actual delivery and customer response.
Deliverability Email spam traps: reduce the risk at collection and sending
Reduce email spam-trap risk by improving signup sources, permission records, and stale-audience handling instead of treating validation as a complete safeguard.
Deliverability Disposable emails and privacy aliases: make a careful decision
Distinguish temporary email problems from legitimate privacy aliases, and use validation results alongside consent and source quality when managing subscribers.
Deliverability Email blocklist problems: investigate before changing the setup
Investigate possible email blocklist issues using actual delivery responses, affected domains, authentication checks, and a clear record for support.
Deliverability Make your store's marketing emails easier to trust
Improve email recognition with a consistent sender, understandable links, clear requests, and a way for Shopify customers to verify the message independently.
Deliverability Email deliverability audit before a major promotion
Audit email authentication, audience exclusions, recent delivery patterns, and planned volume before your next major Shopify marketing promotion.
No articles match that search. Try a shorter phrase or explore another topic.