Practical guides for email deliverability and outbound
Investigate missing email, plan a sending setup or improve what happens after a reply. Start with the problem you need to solve, then follow the checks and decisions that apply to your team.
Email deliverability
Email delivery guide
Understand what a delivered status proves, what it leaves unknown and which evidence helps investigate business email reaching junk or quarantine.
Read the guideEmail deliverability audit checklist
Plan a useful email deliverability audit: evidence to collect, checks to include, questions for a consultant and the findings your team should receive.
Read the guideMicrosoft 365 emails going to spam
Investigate Microsoft 365 email reaching junk: separate outbound from recipient filtering, compare message traces and headers, and decide what to check next.
Read the guideGoogle Workspace emails going to spam
Investigate Google Workspace email going to spam with sending-route checks, Email Log Search, received headers and the right distinction between Gmail recipients.
Read the guideHubSpot emails going to spam
Troubleshoot HubSpot email reaching spam by separating marketing email from connected-inbox sales email, then checking authentication and message evidence.
Read the guideOutbound and sales workflows
Cold email infrastructure checklist
Plan a B2B outbound setup before buying tools: ownership, provider fit, authentication, reply handling and practical checks before launch.
Read the guideHandling cold email replies
Build a reliable B2B reply workflow with sequence stopping, clear ownership, opt-out handling, CRM routing and checks that catch lost or duplicate enquiries.
Read the guide