My outgoing mail server is set with an Email (info@prepzonelogistics.com) and Name is set as (PrepZone Logistics Outgoing Server) but mail is receiving as name of a partner (Administrator).

And same email should also be filled on Administrator partner email field, then email will be sent otherwise that will cause error, Error is attached in screenshots and pasted following aswell.

Mail Delivery Failed Mail delivery failed via SMTP server 'None'. SMTPDataError: 554 5.2.252 SendAsDenied; info@prepzonelogistics.com not allowed to send as ahsanmuhammad53@prepzonelogistics.com; STOREDRV.Submission.Exception:SendAsDeniedException.MapiExceptionSendAsDenied; Failed to process message due to a permanent exception with message [BeginDiagnosticData]Cannot submit message. 1.84300:0A000000, 1.84300:0A000000, 1.84300:0E000000, 1.84300:32000000, 1.116652:FC170000, 1.81836:36020000, 0.117068:4F000000, 1.79180:0A000000, 1.79180:0A000000, 1.79180:0E000000, 1.79180:32000000, 1.79180:FA000000, 0.73100:378F7B00, 0.38698:47000000, 1.41134:87000000, 1.41134:47000000, 0.37692:87000000, 0.37948:87000000, 5.33852:00000000534D545000000005, 7.36354:010000000000010987000000, 4.56248:DC040000, 7.40748:010000000000010B7A000100, 7.57132:00000000000000007A000100, 4.39640:DC040000, 1.63016:32000000, 8.45434:E514835A555E844CA3AB47B6E29E11D773706F72, 1.46798:04000000, 5.10786:0000000031352E32302E373931382E3032333A4C5633505231364D42363132333A31373833303033622D636237362D343966362D393865652D3532373639336431313962393A3232353838303A2E4E455420382E302E380000000000, 7.51330:4703D63120CCDC0800000000, 0.39570:01000000, 1.55954:0A000000, 1.33010:0A000000, 2.54258:00000000, 0.40002:18000000, 1.56562:00000000, 1.33010:0A000000, 2.54258:00000000, 0.40002:0B000000, 1.56562:00000000, 1.55954:0A000000, 1.33010:0A000000, 2.54258:00000000, 0.40002:00000000, 1.56562:00000000, 1.33010:0A000000, 2.54258:00000000, 0.40002:56000000, 1.56562:00000000, 1.64146:0E000000, 1.33010:0E000000, 2.54258:00000000, 1.33010:0E000000, 2.54258:00000000, 1.64146:32000000, 1.33010:32000000, 2.54258:DC040000, 1.33010:32000000, 2.54258:DC040000, 0.79500:00000000, 0.100684:13000000, 4.120460:DC040000, 1.52466:02000000, 1.52466:02000000, 1.42738:05000000, 0.37698:06000000, 1.42738:05000000, 0.37698:72000000, 1.52466:01000000, 0.60402:02000000, 1.52466:01000000[EndDiagnosticData] [Hostname=LV3PR16MB6123.namprd16.prod.outlook.com]

I have attached screenshots please see those for better understanding.

Thanks.

1. Outgoing Mail Server


2. Same email set on Administrator partner


3. If email is not same like on outgoing and on partner this error occurs.


4. Email is sending from Send Message button


5. Email Received with Administrator name.