I'm having problems sending to any email in the unumhumbrewing.com domain. I attached a sample of a bounced message. It only seems to be a problem when sending the email via sonic.net's SMTP mail servers. Not sure why. What can be done to diagnose and fix this problem?
--- Begin Message ---
- To: <dummy@xxxxxxxxx>
- Subject: Returned mail: see transcript for details
- From: Mail Delivery Subsystem <MAILER-DAEMON@xxxxxxxxxxxxxxxx>
- Date: Wed, 26 May 2021 18:59:27 -0700
- Auto-submitted: auto-generated (failure)
The original message was received at Wed, 26 May 2021 18:59:27 -0700 from 173-228-7-7.dsl.static.fusionbroadband.com [173.228.7.7] ----- The following addresses had permanent fatal errors ----- <noelle@xxxxxxxxxxxxxxxxxx> ----- Transcript of session follows ----- 550 5.1.2 <noelle@xxxxxxxxxxxxxxxxxx>... Host unknown (Name server: _dc-mx.148c2238b35d.umunhumbrewing.com.: non-recoverable error)Reporting-MTA: dns; d.mail.sonic.net Received-From-MTA: DNS; 173-228-7-7.dsl.static.fusionbroadband.com Arrival-Date: Wed, 26 May 2021 18:59:27 -0700 Final-Recipient: RFC822; noelle@umunhumbrewing.com Action: failed Status: 5.1.2 Remote-MTA: DNS; _dc-mx.148c2238b35d.umunhumbrewing.com Last-Attempt-Date: Wed, 26 May 2021 18:59:27 -0700--- Begin Message ---
- To: noelle@xxxxxxxxxxxxxxxxxx
- Subject: dummy test
- From: dummy@xxxxxxxxx (Robert \"key=41BAFB39\")
- Date: 26 May 2021 18:59:24 -0700
- Mbox-line: From robert Wed May 26 18:59:20 2021
To: noelle@xxxxxxxxxxxxxxxxxx testAttachment: signature.asc
Description: Digital Signature
--- End Message ---
--- End Message ---