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Bounced by destination server with response: 5.1.0 - Unknown address error ('530', ['SMTP authentication is required.'])

Hello, 

 

I get below error when tried to send an email between members in the same domain

 

|New SMTP ICID 294 interface Management (192.168.10.11) address 192.168.10.110 reverse dns host l-cl-3.lab.net verified yes
|ICID 294 RELAY SG RELAYS match 192.168.10.0/24 SBRS rfc1918 country not applicable
|Start MID 1228 ICID 294
|MID 1228 ICID 294 From: <administrator@lab.net>
|MID 1228 ICID 294 RID 0 To: <mark@lab.net>
|MID 1228 Message-ID '<ea6cc26d-9ed1-48f1-4938-600481a5b56d@lab.net>'
|MID 1228 Subject 'test'
|MID 1228 SDR: Tracker Header : ql6oA5ojZIiffkU/uQ2VXYjoWSOSW3ki+pl7+GEVMteZS7xFdEz7/1QzC3yrIwqzcIbwCLndI0/UmOBTmteVRh6EthtDbZqjnu3LCC4kktbuzcPv5C16m5Vr/aRAD42NS0Z3nbR6UzdOA7Q5YUPqMJbxqvqb+Be12lR29nMh97OcDQNga/E+O9QMKGkeUCzPuLGnFDIJEDnh6EIeAl7D+BCB5akA8uXnQ9pklFTietyTeP8A5ZOza/XCFL23ZgPCtrRm5g3VgJCbkhY8Ln/2nWRSn59hyv9DtOuT9ZuP/GQ=
|MID 1228 ready 542 bytes from <administrator@lab.net>
|ICID 294 close
|MID 1228 matched all recipients for per-recipient policy DEFAULT in the outbound table
|MID 1228 queued for delivery
|New SMTP DCID 178 interface 192.168.10.11 address 192.168.10.2 port 25
|Delivery start DCID 178 MID 1228 to RID [0]
|Bounced: DCID 178 MID 1228 to RID 0 - Bounced by destination server with response: 5.1.0 - Unknown address error ('530', ['SMTP authentication is required.'])
|Start MID 1229 ICID 0
|MID 1229 was generated for bounce of MID 1228
|MID 1229 ICID 0 From: <>
|MID 1229 ICID 0 RID 0 To: <administrator@lab.net>
|MID 1229 ready 1925 bytes from <>
|MID 1229 queued for delivery
|Message finished MID 1228 done
|Delivery start DCID 178 MID 1229 to RID [0]
|Message done DCID 178 MID 1229 to RID [0]
|MID 1229 RID [0] Response 'Queued (0.016 seconds)'
|Message finished MID 1229 done
|graymail [CONFIG] Graymail process is now enabled
Wed Jun 10 21:54:38 2020 Info: DCID 178 close

1 REPLY 1

resolved the issue, had to uncheck smtp authentication from the hmail server. screenUntitled picture.pngshot attached

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