Kit guides and tutorials
3 practical MailSlurp resources
Articles and guides
technical
Kit Emails Going to Spam? Fix Broadcast and Incentive Delivery
Troubleshoot Kit (ConvertKit) broadcasts and incentive emails that land in spam, from verified sending domains and list health to inbox placement and device rendering.
Read moretechnicalHow to Test Kit Inbox Placement and Spam Score
Run a Kit inbox placement test across Gmail, Google Workspace, Outlook, and Microsoft 365, then review provider placement, campaign content, and sending-domain signals.
Read moretechnicalHow to Preview Kit Emails in Gmail, Outlook, iPhone, and Android
Send a Kit test email to MailSlurp and preview the delivered campaign across Gmail, Outlook, Apple Mail, iPhone, iPad, Android, desktop, light mode, and dark mode.
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