MailSlurp resources
Guides - Page 7
Practical guides for MailSlurp messaging, testing, reliability, extract, account setup, and procurement workflows.
Posts
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 moretechnicalReading 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 moretechnicalTest Email Address for QA, Staging, and Automated Tests
Create a private test email address and automate sign-up, password reset, OTP, and notification checks for QA, staging, and CI.
Read moretechnicalDNS 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 moretechnicalHTML Email Spacing: Better Alternatives to Random NBSP Hacks
Learn how to create reliable spacing in HTML email across Outlook, Gmail, and mobile clients using padding, tables, line height, spacers, and QA checks.
Read moretechnicalHow To Create Outlook Email Templates and Test Them Reliably
Learn how to create reusable Outlook email templates, avoid formatting issues, and test links, variables, rendering, and deliverability before sending.
Read moretechnicalGmail 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 moretechnicalWhy Do Emails Go To Spam? A Practical Guide To Diagnosis and Fixes
Learn why emails go to spam, why legitimate emails still land there, and how to diagnose authentication, routing, reputation, content, and list-quality issues before they become delivery incidents.
Read moretechnicalWhat Is an IMAP Server? Meaning, Ports, Setup, and Troubleshooting
Learn the meaning of an IMAP server, how it handles incoming mailbox sync, which ports it uses, and how to troubleshoot common IMAP access problems.
Read moretechnicalWhat Is an Email Alias? Meaning, Forwarding, and When To Use One
Learn what an email alias is, how alias addresses work, how they differ from forwarding and plus addressing, and when teams should use them for privacy, routing, and testing.
Read moretechnicalOffice 365 SMTP Settings: Server, Port, TLS, Auth, and Testing
Configure Office 365 SMTP settings for smtp.office365.com, port 587, STARTTLS, mailbox auth policy, relay choices, and safe MailSlurp validation.
Read moretechnicalMTA and SMTP: How Mail Transfer Agents Use SMTP To Move Email
Learn how MTA and SMTP fit together, where mail submission ends and relay begins, and how to test routing, queues, retries, and delivery behavior safely.
Read more