How to Preview a Mailchimp Test Email Across Devices
Send a Mailchimp test email to MailSlurp, compare Gmail, Outlook and iPhone previews, and check dark-mode contrast and personalized content before launch.
Read guideMailSlurp guides
Find practical implementation guides for email and SMS APIs, automated testing, deliverability, inbound workflows, and account setup.
All guides
262 guides · Newest first
How to Test Klaviyo Emails in Dark Mode and on iPhone
Test a Klaviyo email in Gmail Android light and dark modes, fix a button contrast problem, and compare the same email in Gmail and Apple Mail on iPhone.
Read guide
Enterprise organization reporting and quota management
Review organization licenses, usage quotas, user activity, API key consumption, tags, audit data, and governance exports in MailSlurp.
Read guide
Microsoft Entra OIDC and SCIM setup for MailSlurp environments
Configure Microsoft Entra with a user-facing OIDC app tile and a hidden SCIM provisioning app for MailSlurp users, groups, roles, and environments.
Read guide
Okta OIDC and SCIM setup for MailSlurp environments
Configure Okta with a user-facing OIDC app tile and hidden SCIM provisioning for MailSlurp organizations with separate staging, QA, and test environments.
Read guide
Email Rendering QA Checklist for Gmail, Outlook, Mobile, and Dark Mode
Use this email rendering QA checklist to preview final emails across clients, devices, dark mode, links, images, and release workflows.
Read guideETMailSlurp guide
SMS & OTPEmail templates for testing and transactional workflows
Create reusable email templates and validate HTML rendering, variables, links, and OTP content. Includes CI-friendly testing patterns with MailSlurp.
Read guideRAMailSlurp guide
TestingReview and Approve Email Campaigns with Your Team
Build an email preview approval workflow: comment on client screenshots, compare a corrected campaign, resolve feedback and share the final version.
Read guideREMailSlurp guide
TestingReading Email in Postman
Use MailSlurp REST API calls in Postman or ACCELQ to create an inbox, wait for a matching email subject, verify attachment metadata, and download attachments.
Read guide
Test Email Addresses and Accounts for QA
Choose a working test email address for signup, reset and notification checks. Compare private test inboxes, Gmail checks and format-only example addresses.
Read guideDLMailSlurp guide
DeliverabilityDNS Lookup Nameservers with MailSlurp
Use MailSlurp to look up nameserver, MX, TXT, SPF, DKIM, and DMARC records, then connect DNS evidence to email deliverability and inbox testing.
Read guideGSMailSlurp guide
DeliverabilityGmail Spam Filter: Why Gmail Flags Emails and How To Fix It
Learn how Gmail spam filtering works, why legitimate messages land in spam, and how to test authentication, content, reputation, and inbox placement before release.
Read guideExplore related articles and guides by topic. Browse all topics.