Email delivery
Mail authentication, delivery issues and DNS records.
Practical help with email delivery, DNS, Microsoft 365, hosting and server issues. I identify the cause, make safe changes, and document the result.
Focused support for common IT problems that block work, mail, access or websites.
Mail authentication, delivery issues and DNS records.
Records, propagation, redirects and provider setup.
Mailbox, Teams, account and access troubleshooting.
Linux hosting, SSL, logs, permissions and web issues.
A short, structured process for finding the issue and making changes safely.
Each request starts with context, then moves through baseline checks, targeted changes and verification.
clear processGoal, symptoms, provider and what has already been tried.
Current records, settings, logs or access are checked first.
Small, targeted changes are made with rollback in mind.
The result is tested and summarized in plain notes.
The goal is a working fix and a clear record of what changed.
Minimal changes first, with testing before and after.
Summary of the issue, the fix and relevant settings.
Any remaining risks or follow-up work listed clearly.
Send the issue, the goal, what you have tried and any screenshots or error messages.
Email contact@underscoreit.io