Many thanks Jeremy and Andrew, Unfortunately the logs are not showing much to my untrained eye. They are included below for reference.
Best regards, Ben Bounce to a local mailbox 2019-10-18 17:25:29 1iLV4D-0001jX-T2 <= u...@example-sender.tld H=([172.30.xx.xx]) [89.187.xx.xx] P=esmtp S=671 id=4d1a9a66-8d4f-f193-5c58-2813ccb75...@example-sender.tld 2019-10-18 17:25:51 1iLV4D-0001jX-T2 [5.77.xx.xx] SSL verify error: certificate name mismatch: DN="/OU=Domain Control Validated/OU=PositiveSSL/CN=ice.example.tld" H="example.tld" 2019-10-18 17:26:11 1iLV4D-0001jX-T2 ** n...@example.tld R=dnslookup T=remote_smtp H=example.tld [5.77.xx.xx] X=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=no: SMTP error from remote mail server after RCPT TO:<n...@example.tld>: 550 No such person at this address 2019-10-18 17:26:11 1iLV4t-0001kM-7V <= <> R=1iLV4D-0001jX-T2 U=exim P=local S=2113 2019-10-18 17:26:11 1iLV4D-0001jX-T2 Completed 2019-10-18 17:26:11 1iLV4t-0001kM-7V => user <u...@example-sender.tld> R=localuser T=local_delivery 2019-10-18 17:26:11 1iLV4t-0001kM-7V Completed ---------------8------------------8------------------- Bounce received to local mailbox From MAILER-DAEMON Fri Oct 18 17:26:11 2019 Return-path: <> Envelope-to: u...@example-sender.tld Delivery-date: Fri, 18 Oct 2019 17:26:11 +0100 X-Failed-Recipients: n...@example.tld Auto-Submitted: auto-replied From: Mail Delivery System <mailer-dae...@nebula.adomain.com> To: u...@example-sender.tld Content-Type: multipart/report; report-type=delivery-status; boundary=1571415971-eximdsn-19389004 Subject: Mail delivery failed: returning message to sender Date: Fri, 18 Oct 2019 17:26:11 +0100 Status: RO Part 1: Content-type: text/plain; charset=us-ascii This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: n...@example.tld host example.tld [5.77.xx.xx] SMTP error from remote mail server after RCPT TO:<n...@example.tld>: 550 No such person at this address Part 2: Content-type: message/delivery-status Part 3: Content-type: message/rfc822 From u...@example-sender.tld Fri Oct 18 17:25:29 2019 Return-path: <u...@example-sender.tld> To: n...@example.tld From: Ben Sanders - Admin <u...@example-sender.tld> Subject: testing Date: Fri, 18 Oct 2019 17:25:29 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.1.2 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US teinsgqwgew A Test Message Here ---------------8------------------8------------------- Bouncing to a remote Mailbox : 2019-10-18 17:36:09 1iLVEX-0001ur-1U <= u...@example-sender.tld H=([172.30.xx.xx]) [89.187.xx.xx] P=esmtp S=652 id=8f418835-b7fb-08c5-5238-041f69103...@example-sender.tld 2019-10-18 17:36:29 1iLVEX-0001ur-1U [5.77.xx.xx] SSL verify error: certificate name mismatch: DN="/OU=Domain Control Validated/OU=PositiveSSL/CN=ice.example.tld" H="example.tld" 2019-10-18 17:36:49 1iLVEX-0001ur-1U ** n...@example.tld R=dnslookup T=remote_smtp H=example.tld [5.77.xx.xx] X=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=no: SMTP error from remote mail server after RCPT TO:<n...@example.tld>: 550 No such person at this address 2019-10-18 17:36:49 1iLVFB-0001vY-Du <= <> R=1iLVEX-0001ur-1U U=exim P=local S=2104 2019-10-18 17:36:49 1iLVEX-0001ur-1U Completed 2019-10-18 17:36:51 1iLVFB-0001vY-Du => u...@example-sender.tld R=dnslookup T=remote_smtp H=example-sender-com.mail.protection.outlook.com [104.47.xx.xx] X=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=yes K C="250 2.6.0 <e1ilvfb-0001vy...@nebula.adomain.com> [InternalId=8705898711624, Hostname=AM4PR02MB3025.eurprd02.prod.outlook.com] 10056 bytes in 0.063, 155.065 KB/sec Queued mail for delivery" 2019-10-18 17:36:51 1iLVFB-0001vY-Du Completed ---------------8------------------8------------------- Bounce received at remote mailbox This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: n...@example.tld host example.tld [5.77.xx.xx] SMTP error from remote mail server after RCPT TO:<n...@example.tld>: 550 No such person at this address ---------------8------------------8------------------- -----Original Message----- From: Jeremy Sent: 19 October 2019 11:11 To: exim-users@exim.org Subject: Re: [exim] Bounce messages are missing headers and message body for non local users On 18/10/2019 18:32, Ben Sanders via Exim-users wrote: > If the bounce returns to a local user however, I get the expected output, the > normal section above with the SMTP error WITH the message header with message > body. > > Why is exim behaving different for local and remote email addresses, is that > expected? I'd guess the processing sequence is different. Show us logs, as a start. -- Cheers, Jeremy -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/