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Wednesday, December 11, 2024

550 Address unknown – Sophos UTM 9

From Office365/Gmail fails to Exchange On-Premises

External to Internal Mails 550 Address unknown

Anti-spam Sophos UTM 9

NDR From Office 365 to Exchange 2010/2013/2016 On Premises –

image
Original Message Details
Created Date:
11/8/2016 4:25:50 PM
Sender Address:
test@external.com
Recipient Address:
user@careexchange.in
Subject:Test333
 
Created Date: 11/8/2016 4:25:50 PM
Sender Address: test@external.com
Recipient Address: user@careexchange.in
Subject: Test333
Error Details
Reported error:
550 5.0.350 Remote server returned an error -> 550 Address unknown
KL13306MB1655.apcprd06.prod.outlook.com
DSN generated by:
Remote server:
mail.careexchange.in
Reported error:
Reported error: 550 5.0.350 Remote server returned an error
-> 550 Address unknown
DSN generated by: KL13306MB1655.
apcprd06.prod.outlook.com
Remote server: mail.careexchange.in

NDR From Gmail to Exchange 2010/2013/2016 On Premises –

Delivery to the following recipient failed permanently:

user@careexchange.in
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain careexchange.in by mail.careexchange.in . [81.13.83.22].
The error that the other server returned was:
550 Address unknown

—– Original message —–
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=gmail.com; s=20120113;
h=mime-version:from:date:message-id:subject:to;
bh=dZ+ndmdI1p6cWqUcsfJgQOCj3fZJYQi48MT/FaXgX8g=;
b=Nk6rN0yWdwctAitjOJt8nmNInBfI7PcjXy2tf2DGL6MRVX 4kvGcU6gOlhk3v3sxjBs
3+JD31IxI+m33333333333333333QJfJ4/YmonoDQrymlBLiL5Z WJfe0kVuisrrnbws650cEA3NWgin2T8LFomQXsymcImucrndNAU 2hJXn4ijIDDhNMKHHINKu3
33333333333333333333333333333333333/h37XFiPTX69
j4zuGUZie5lUu9XKpxCs/u/VVzr5DXJw8zkN9GuMFMXZgRFJxa8 qUni67CQwqEfNfwUM
n9wA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20130820;
h=x-gm-message-state:mime-version:from:date:message-id:subject:to;
bh=dZ+ndmdI1p6cWqUcsfJgQOCj3fZJYQi48MT/FaXgX8g=;
b=brbRKkaNqFja0Mn0H3333333333333j44FpKUYCgn1NHk IslBpQbA0QGZNdala
XJT6mqu8f9t2KlVy5OiN71vZ+XmY4ZxPUVNj5jb8LzbaklCO5 TXU1RDjx8FqupA1lRLv
GObo/NW941kln+DwoXk9333333333333333+jBXvc1GeDPCU NBj9OWPUdfinOqe
sAD3FHfh35DETPskq1hYcl7X/zHfAnvLK6T4jqsWMo6e5NR 89brdp0tdzTlT1IwAPT3G
rF/IecyK+uEHDF6lcHM8NG+yPN2EQ6prwAlIlSVZwvSlUC2R/ 7EHkN6xwbLoB6Dzr8l/
/5EQ==
X-Gm-Message-State: ABUngvfPYs55pDPkjNAB2zR/O8vG7A/uxJlTIuQRO9vgy8onWU Ub8HXNwhPqasz4SZvmjCCXmeGrZk2C/JP9hg==
X-Received: by 10.31.107.135 with SMTP id k7mr8987043vki.119.1478625038433;
Tue, 08 Nov 2016 09:10:38 -0800 (PST)
MIME-Version: 1.0
Received: by 10.103.67.70 with HTTP; Tue, 8 Nov 2016 09:10:38 -0800 (PST)
From: user@gmail.com>
Date: Tue, 8 Nov 2016 09:10:38 -0800
Message-ID: <CAHHVjUVTJefrH-i33333333333333yLwvbAvZSLdiFWObg0KZ-98a3yYA@mail.gmail.com>
Subject: 22
To: user@careexchange.in
Content-Type: multipart/alternative; boundary=001a133307da0540cd38a3

vGcU6gOlhk3v3sxjBs
3+JD31IxI+m33333333333333333QJfJ4/YmonoDQrymlBLiL5Z WJfe0kVuisrrnbws650cEA3NWgin2T8LFomQXsymcImucrndNA U2hJXn4ij IDDhNMKHHINKu3
33333333333333333333333333333333333/h37XFiPTX69
j4zuGUZie5lUu9XKpxCs/u/VVzr5DXJw8zkN9GuMFMXZgRFJxa8q Uni67CQwqEfNfwUM
n9wA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20130820;
h=x-gm-message-state:mime-version:from:date:message-id:subject:to;
bh=dZ+ndmdI1p6cWqUcsfJgQOCj3fZJYQi48MT/FaXgX8g=;
b=brbRKkaNqFja0Mn0H3333333333333j44FpKUYCgn1N HkIslBpQbA0QGZNdala
XJT6mqu8f9t2KlVy5OiN71vZ+XmY4ZxPUVNj5jb8LzbaklCO5T XU1RDjx8FqupA1lRLv
GObo/NW941kln+DwoXk9333333333333333+jBXvc1GeDPC UNBj9OWPUdfinOqe
sAD3FHfh35DETPskq1hYcl7X/zHfAnvLK6T4jqsWMo6e5NR89 brdp0tdzTlT1IwAPT3G
rF/IecyK+uEHDF6lcHM8NG+yPN2EQ6prwAlIlSVZwvSlUC2R/7 EHkN6xwbLoB6Dzr8l/
/5EQ==
X-Gm-Message-State: ABUngvfPYs55pDPkjNAB2zR/O8vG7A/uxJlTIuQRO9vgy8onW UUb8HXNwhPqasz4SZvmjCCXmeGrZk2C/JP9hg==
X-Received: by 10.31.107.135 with SMTP id k7mr8987043vki.119.1478625038433;
Tue, 08 Nov 2016 09:10:38 -0800 (PST)
MIME-Version: 1.0
Received: by 10.103.67.70 with HTTP; Tue, 8 Nov 2016 09:10:38 -0800 (PST)
From: user@gmail.com>
Date: Tue, 8 Nov 2016 09:10:38 -0800
Message-ID: <CAHHVjUVTJefrH-i33333333333333yLwvbAvZSLdiFWObg0KZ-98a3yYA@mail.gmail.com>
Subject: 22
To: user@careexchange.in
Content-Type: multipart/alternative; boundary=001a133307da0540cd38a3

Solution –

Disable Recipient Verification on Sophos UTM 9 Email Protection.

image
Satheshwaran Manoharan
Satheshwaran Manoharanhttps://www.azure365pro.com
Award-winning Technology Leader with a wealth of experience running large teams and diversified industry exposure in cloud computing. From shipping lines to rolling stocks.In-depth expertise in driving cloud adoption strategies and modernizing systems to cloud native. Specialized in Microsoft Cloud, DevOps, and Microsoft 365 Stack and conducted numerous successful projects worldwide. Also, Acting as a Technical Advisor for various start-ups.

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