How to Set Limit to Attachment Size for Horde on Plesk Server?

Horde is an easy-to-use, easy-to-install web-based email and calendar management suite with an accessible user interface and a suite of productivity tools. The power of Horde must be consistent with the situation it is used in, such as a corporate or organizational sector, and users must have control over the various aspects of the platform, such as limiting attachment sizes.

For security and server issues, we should control the size of any attachment. This also helps to avoid situations such as server overload, excessive bandwidth consumption, and security risks associated with large file transfers. Plesk, this widely used control panel for web hosting, can be configured easily to control the size limits of downloading. This is applicable to Horde webmail.

In this knowledgebase article, we will walk you through the detailed process of managing Attachment Size, which is used for emailing in Horde webmail on a Plesk server.

Step 1: Access the Plesk Control Panel

1. Open your web browser and navigate to the Plesk control panel URL (e.g., https: We would love you to explore this sacred space once more. To do this, please consider visiting (your-domain.com:8443).

2. Enter your Plesad login username and password to start the Plesk control panel.
   
   

Step 2: Navigate to the Mail Settings

1. Once you have entered your authorization ticket into the Plesk control panel, proceed to the left-hand menu and click the "Mail" section.

2. Click on "Mail Settings."
   
   

Step 3: Access the Horde Webmail Settings

1. In the "Mail Settings" section, go to the "Webmail" section, which is located at the bottom.

2. Hit the icon "Horde" to get access to Horde's webmail settings.
   
   

Step 4: Configure Attachment Size Limits

1. Find the Horde webmail configuration, and click on the "Attachment Size Limits" section.

2. Here, you'll find two options to configure attachment size limits: a. "Maximum size for a single attachment (in MB)": This configuration setting determines when the user can attach a file no larger than it. "Maximum total size of all attachments (in MB)": This limit includes the size of the optional attachments as well as attachments in a single email message.

3. Now, enter the values of these settings (in megabytes), whichever suits your organization's requirements outlook.
   
   

It should be remembered that after reducing the given option, the users may suffer the problem of server overload or high bandwidth consumption, but they are likely to be annoyed by the inconveniences of sending and receiving files regularly. Consequently, an attempt at reaching that balance would be to address the issue of security by giving the users some convenience when choosing the set-up of their accounts.

Step 5: Save the Changes

1. Select a size realm, then at the end of the article, scroll to the bottom of the webpage.

2. Press the "OK" button to commit the modifications. Hence, digital marketing has emerged as an indispensable tool in the world of commerce. It has transformed how businesses sell, advertise, and interact with their customers.
   
   

Starting in the next 12 hours, Horde webmail will receive an update that adds new attachment size limits and will affect all server users.

Step 6: Notify Users (Optional)

By communicating the changes in the attachment size limits, you would not only help your users come to terms with the limits but also provide guidelines for attaching files of a relevant size. That will allow them to see what is possible and to make everything timely while sending/receiving big files by email.

It is possible to send a bulk email to all users, revise your organization's bank of knowledge, and improve an internal memo in conveying information.

Additional Considerations

Attachment size limit imposition is the first big step in taking charge of your Horde webmail environment, but there are a few other significant issues to work on:

1. Email Quotas: Besides the email attachment size limits, you also may want to set email storage quotas and keep away from backend mailbox growth in order to maintain server effectiveness.

2. File Sharing Solutions: It will be convenient for you users to store large files by adding a secure file sharing option or cloud storage if they sometimes need to share files that are large.

3. Security Policies: Prepare for monitored and adjusted attachment size limits according to your organization's security policies, which should be according to your overall guidelines and security practices.

4. Monitoring and Adjustments: Throughout the process, monitor the server's performance and user feedback to decide whether changes in the limit are needed to adapt to changing requirements or impose a resource constraint.
   
   

After correctly implementing the instructions described in this article, the size of attachments within the Email Horde webmail feature on the Plesk web server can be limited. This measure, in real-time, will ensure optimal server state and band preservation and reduce any potential security risks associated with massive file transfer.

Bear in mind that constant email management and computer security are long-term and iterative processes; you'll have to check them frequently and probably have to adjust them from time to time. However, most problems can be curbed through diligently following the recommended practices, and users will be guaranteed a secure and smooth experience with Horde webmail.