--- title: Technical questions | Help Center description: Technical questions on how to setup Warmy correctly --- [Skip to content](https://support.warmy.io/knowledge/technical-questions#main-content) English Show submenu for translations ![Group 1261151152.png\]](https://support.warmy.io/hs-fs/hubfs/Group%201261151152.png?width=50&height=50&name=Group%201261151152.png) Open main navigation Close main navigation - English Show submenu for translations - [Go to warmy.io](https://www.warmy.io/) [Go to warmy.io](https://www.warmy.io/) Hey there Warmer! How can we help? 🙏 - There are no suggestions because the search field is empty. 1. [Help Center](https://support.warmy.io/knowledge) 2. [Technical questions](https://support.warmy.io/knowledge/technical-questions) # Technical questions Technical questions on how to setup Warmy correctly - [How to Set Up Custom Email Headers in Warmy](https://support.warmy.io/knowledge/how-to-set-up-custom-email-headers-for-your-mailbox) - [How to Set Up DKIM and SPF Records for SendGrid](https://support.warmy.io/knowledge/how-to-set-up-dkim-and-spf-records-for-sendgrid) - [Understanding DMARC Tracking in Warmy](https://support.warmy.io/knowledge/understanding-dmarc-tracking-in-warmy) - [How to configure DKIM for GoDaddy?](https://support.warmy.io/knowledge/how-to-configure-dkim-for-godaddy) - [DKIM Setup for Mailgun](https://support.warmy.io/knowledge/dkim-setup-for-mailgun) - [Can I use my email during the warm up?](https://support.warmy.io/knowledge/can-i-use-my-email-during-the-warm-up) - [Why you get "unreceived" in your deliverability test or don't get results at all 🕵️](https://support.warmy.io/knowledge/why-you-get-unreceived-in-your-deliverability-test-or-dont-get-results-at-all) - [Email Bounce Codes](https://support.warmy.io/knowledge/email-bounce-codes) - [Understanding Email Blacklists: What They Are and Why They Matter](https://support.warmy.io/knowledge/understanding-email-blacklists-what-they-are-and-why-they-matter) - [Comprehensive DNS Test](https://support.warmy.io/knowledge/comprehensive-dns-test-for-email-domain-health) - [How to set up Microsoft Smart Network Data Services (SNDS)](https://support.warmy.io/knowledge/connect-snds) - [Domain Report](https://support.warmy.io/knowledge/domain-report) - [How to Get Unblocked by Outlook: A Step-by-Step Guide](https://support.warmy.io/knowledge/how-to-get-unblocked-by-outlook-a-step-by-step-guide) - [How to fix NDR error code "550 5.1.8 Access denied, bad outbound sender"](https://support.warmy.io/knowledge/how-to-fix-ndr-error-code-550-5.1.8-access-denied-bad-outbound-sender) - [Optimizing HTML Templates](https://support.warmy.io/knowledge/inline-styles-in-html-email) - [Webhook](https://support.warmy.io/knowledge/webhook) - [Microsoft 365 Trial license error](https://support.warmy.io/knowledge/microsoft-365-trial-license-error) - [Can I connect Email alias/Shared mailbox/Collaborative Inbox to Warmy?](https://support.warmy.io/knowledge/what-is-an-email-alias) - [What is an SPF record & how to set it? Free SPF Record Generator](https://support.warmy.io/knowledge/what-is-spf) - [What is DKIM? How to set it?](https://support.warmy.io/knowledge/what-is-dkim) - [How to Set Up DKIM for Microsoft 365](https://support.warmy.io/knowledge/how-to-set-up-dkim-for-microsoft-365) - [What is DMARC & how to set it up? Free DMARC Record Generator](https://support.warmy.io/knowledge/what-is-dmarc) - [What is MX record?](https://support.warmy.io/knowledge/what-is-mx-record) - [What is A-Record?](https://support.warmy.io/knowledge/what-is-a-record) - [What technical parameters should be in the email?](https://support.warmy.io/knowledge/what-technical-parameters-should-be-in-email) - [What is an email domain?](https://support.warmy.io/knowledge/what-is-domain) - [What is rDNS?](https://support.warmy.io/knowledge/what-is-rdns) - [This Email Is Already in Use: How to Resolve the Error](https://support.warmy.io/knowledge/this-email-is-already-used) See less ▼ ## SPF and DKIM Configuration - [Maropost - SPF & DKIM Configuration](https://support.warmy.io/knowledge/how-to-set-up-dkim-and-spf-records-for-maropost) - [Brevo - SPF & DKIM Configuration](https://support.warmy.io/knowledge/brevo-spf-dkim-configuration) - [Mailgun - SPF & DKIM Configuration](https://support.warmy.io/knowledge/mailgun-spf-dkim-configuration) - [MailerLite - SPF & DKIM Configuration](https://support.warmy.io/knowledge/mailerlite-spf-dkim-configuration) - [Zoho - SPF & DKIM Configuration](https://support.warmy.io/knowledge/zoho-spf-dkim-configuration) - [Moosend - SPF & DKIM Configuration](https://support.warmy.io/knowledge/moosend-spf-dkim-configuration) - [Amazon SES - SPF & DKIM Configuration](https://support.warmy.io/knowledge/amazon-ses-spf-dkim-configuration) - [Mailjet - SPF & DKIM Configuration](https://support.warmy.io/knowledge/mailjet-spf-dkim-configuration) - [Google Workspace - SPF & DKIM Configuration](https://support.warmy.io/knowledge/how-to-set-up-dkim-for-google) - [Hubspot - SPF & DKIM Configuration](https://support.warmy.io/knowledge/hubspot-spf-dkim-configuration) See less ▼ - [Connection Guide](https://support.warmy.io/knowledge/connection-guide) - [General questions](https://support.warmy.io/knowledge/general-questions) - [Technical questions](https://support.warmy.io/knowledge/technical-questions#main-content) - [SPF and DKIM Configuration](https://support.warmy.io/knowledge/technical-questions#spf-and-dkim-configuration) - [Subscription](https://support.warmy.io/knowledge/subscription) - [Collaborate](https://support.warmy.io/knowledge/collaborate) - [Features](https://support.warmy.io/knowledge/features) - [Troubleshooting](https://support.warmy.io/knowledge/troubleshooting#main-content) - [SMTP Errors](https://support.warmy.io/knowledge/troubleshooting#smtp-errors) - [Service-related issues](https://support.warmy.io/knowledge/troubleshooting#service-related-issues) - [Integrations](https://support.warmy.io/knowledge/integrations#main-content) - [Seed List Automations](https://support.warmy.io/knowledge/integrations#seed-list-automations) [![Chill listening crop-3](https://support.warmy.io/hs-fs/hubfs/Group%201261151152.png?width=24&height=24&name=Group%201261151152.png "Chill listening crop-3")](https://www.warmy.io/) warmy.io Help Center Copyright © 2026, AnyBiz LTD