Your app may have handed a message to a mail server. That does not prove it reached the recipient’s inbox.
Record the time, sender, destination and any bounce.
Use a non-sensitive test message with an agreed recipient.
Staff mail, website forms and invoice software may send through different systems.
Check each route.
SPF and DKIM help receivers authenticate mail; DMARC adds policy and alignment checks. Use your actual provider’s settings.
A record copied from another business may omit your website sender.
Keep the old configuration and review before changing it.
An authenticated message can still be filtered. Inspect the receiving result and avoid promising guaranteed inbox delivery.
Separate application acceptance, mail-server delivery and inbox placement when investigating missing business emails.
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The cover illustration was generated with AI.
More storiesThe article explains how to collect evidence and choose the next check. MeshCreation can help diagnose the sending setup.