THE INBOXCABIN BLOG

Troubleshooting

Troubleshoot Gmail and Microsoft email sign-in, account switching, notifications, and connection problems.

WordPress Contact Form Emails Going to Spam: Technical Fixes

WordPress form notifications landing in spam? Fix authorized From identity, SMTP or API transport, and SPF/DKIM verification.

Gmail conversations split unexpectedly? Check subjects, reply headers, and Conversation view rather than assuming mail failed.

Sent mail not syncing between clients? Compare IMAP folders, local-only Sent Items, and authoritative webmail before deleting data.

Outlook setup failing after a domain migration? Distinguish Autodiscover DNS from MX routing and check the failing account path.

Released a quarantined email but cannot find it? Check Defender release status, message trace, recipient, and mailbox rules.

Recipients can read the email but not its OneDrive file? Check sharing scope, recipient identity, and secure link permissions.

Gmail blocks certain file types even when they are small. Learn why, and how to share legitimate files without bypassing security.

External senders blocked by Google Workspace? Diagnose group permissions, routing, compliance rules, and the exact rejection.

Gmail Send mail as failing? Verify SMTP host, authentication support, sender identity, and safe alternatives without disabling MFA.

Outlook mail stuck in Outbox? Check offline mode, attachments, account issues, and unsent drafts before resending.