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What does “Message delivered via relay” mean?

Known errors all

In Message Tracking, messages will appear where the subject begins with “Message delivered via relay”. The reason for this is that the sending SMTP server requests a “Delivery Notification” in the SMTP envelope. However, these notifications are not supported by the receiving SMTP server. These notifications are requested via the NOTIFY parameter of the RCPT TO command, e.g.

RCPT TO:<alice@example.com> NOTIFY=Delay,Failure

Depending on the request this must be altered accordingly on the sending side or the receiving side. This behaviour cannot be changed by NoSpamProxy.

27.03.2019/by Stefan Feist

How to set up a Reserved IP Address in Microsoft Azure

How-tos all, tbc

If you want to run NoSpamProxy, or parts of it, in a virtual machine in a Microsoft Azure environment, you need an IP address that will be retained even after the machine restarts. To achieve this, you must set up a Reserved IP Address. If you fail to do this, there is a very good chance that a different IP address will be assigned after the machine restarts.

To set up a Reserved IP address, please use the information in the following Microsoft article:
https://azure.microsoft.com/de-de/blog/reserved-ip-addresses/

07.12.2018/by Stefan Feist
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How to configure on-access virus scanners

How-tos all, closed

How to configure on-access virus scanners

Please use the new online documentation at https://docs.nospamproxy.com/ to make the correct settings!

You can find this article in the current version now here https://docs.nospamproxy.com/Server/14/Suite/en-gb/Content/installation/installation-after.htm#on-access

04.12.2018/by Stefan Feist
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How to create an encryption dump of decrypted data

Troubleshooting all, closed

This article describes how to configure NoSpamProxy to store the decrypted data in a file before processing it in an email. This can be very helpful when analysing formatting problems related to encryption and decryption.

To create the encryption dump, proceed as follows:

The corresponding setting is made in the file “Gateway Role.config” in the directory “C:\ProgramData\Net at Work Mail Gateway\Configuration\”.

You must first search for the following line in the file:

</configSections>

Below this line, add the following line:

<netatwork.nospamproxy.cryptography>
<debugging dumpDecryptedContentToDisk="true"/>
</netatwork.nospamproxy.cryptography>

If the section “netatwork.nospamproxy.cryptography” already exists, simply add the following line:

<debugging dumpDecryptedContentToDisk="true"/>
Important

Before you save the configuration file, you must stop the Gateway Role service. Only then can you save the configuration file correctly.

The decrypted contents are now stored in the Temp folder of the Local Service. Usually this is the folder C:\Windows\ServiceProfiles\LocalService\AppData\Local\Temp. If the files are not created there, please check the folder C:\Windows\Temp.

04.12.2018/by Stefan Feist
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Office 365 IP addresses

Settings all, closed

Office 365-relevant IP addresses

All IP addresses relevant for Office 365 integration in NoSpamProxy can be found at https://docs.microsoft.com/de-de/microsoft-365/enterprise/urls-and-ip-address-ranges?redirectSourcePath=%252fde-de%252farticle%252fURLs-und-IP-Adressbereiche-von-Office-365-8548a211-3fe7-47cb-abb1-355ea5aa88a2&view=o365-worldwide.

04.12.2018/by Stefan Feist
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How to create a memory dump for NoSpamProxy

Troubleshooting all, closed

This article describes how to create a memory dump on a Windows 2008 Server R2 or later for use by the NoSpamProxy support team.

On the affected server, open the Task Manager and navigate to the Details tab and sort by Names.

Right-click on the corresponding process and select “Create dump file”.

Send the corresponding dump to the NoSpamProxy support team at support@nospamproxy.de.

04.12.2018/by Stefan Feist
Info Icon

How to check database integrity

How-tos all, tbc

This article explains how to check database integrity and repair it if necessary.

Microsoft SQL Server Management Studio is required to do this.

    1. Open Microsoft SQL Server Management Studio.
    2. Expand the Databases menu item.
    3. Click on the database “NoSpamProxyDB” and then on New Query in the upper left area. A white window now appears on the right side. To check a suspicious database for errors, you can use the following command in SQL Management Studio:
      DBCC CHECKDB ('NoSpamProxyDB')

    The next command would then correct these errors. You must set the Restrict Access mode from MULTI_USER to SINGLE_USER under Options in the database's Properties before running the command.
    DBCC CHECKDB ('NoSpamProxyDB', REPAIR_REBUILD)

    The success is checked again with the following command.
    DBCC CHECKDB ('NoSpamProxyDB')

    No red error messages should appear in the output now. If the database could not be successfully repaired and red error messages still appear, execute the more aggressive command
    DBCC CHECKDB ('NoSpamProxyDB', REPAIR_ALLOW_DATA_LOSS)

    You should also check the success with the above command afterwards. If the database cannot be repaired, you can also create a new database via the NoSpamProxy interface. The point can be found under the node “Troubleshooting”.

    If problems with the SQL Server occur often, a defect on the SQL Server is likely.

25.01.2018/by Stefan Feist

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