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System deployment recommendations

Installation of the server end

Download the trial version of Venta4Net Plus. Install the server end of the program on the computer. It is recommended to install the program on the computer the full version will be used on later on. However, you can install it on a test computer for familiarization purposes.

Note that of you are using a firewall different from the standard Windows firewall, you may see some windows saying that Venta4Net Server and Venta4Net SMTP Server have been blocked. You need to allow the program to access the network, otherwise the normal operation of the program will be impossible.

Configure the necessary incoming mail parameters of the server as described on the “Configuring incoming and outgoing email settings” page. This is done to ensure that the program can receive and process mail from email users. If you plan to create a separate subdomain for an SMTP server and incoming mail, you can leave it for later. The values of the “Domain name” and “Service prefix” fields on the “Mail server – Incoming email” tab can be left blank. You can also edit the value of the “Allowed file extensions for file attachments” field by adding new or removing unnecessary extensions from it.

Configure outgoing mail parameters as described on the “Configuring incoming and outgoing email settings” page. This is necessary for allowing the program to send email notifications to email users. Enter the same settings you use in your email client and specify the name of the SMTP server that will be used for sending emails. If your SMTP server requires authentication, enter the login (for instance, the one you use for your email account) and password. Check the “Deliver immediately after receiving message” box.

Authorize at least one email user (yourself in this case) as described on the “Authorization of email users” page by specifying your email address.

Make sure that all the necessary applications are installed on the computer. For instance, if you are going to let users send messages with MS Word attachments, this program (Word) must be installed on the computer running the Venta4Net Plus server.

This concludes the description of the most important settings for receiving and sending email messages. We have not yet touched upon the server settings related to the communication between modems and the server. The trial version does not use a modem – it only imitates message transmission and reception.

Testing the server configuration for outgoing mail

Open the “Mail server – Outgoing email” tab in the settings window. Make sure that all the necessary parameters of the SMTP server are specified correctly. If you created several SMTP servers that clients can connect to, don’t forget to click “Apply” after changing the server. Once done, click the “Test” button. The “From” field in the opened window will be filled with the value specified in the “Notifications originating email address” parameter on the “Mail server – Incoming email – Notifications”. If the value is incorrect, you can edit it. Enter the recipient’s email address into the “To” field and click “OK”. The program will attempt to send a message to the specified address. If the settings were correct, the program will show a corresponding message. Check the mailbox you sent a message to. If the message is there, the test can be considered successful.

If the program reports an error, it means that some of the settings are incorrect. Studying the contents of the testsmtp.log file may help you determine what’s causing the problem. The file is located in the data folder ("File – Open data folder") in the \LOGS subfolder.

Testing the server configuration for incoming mail

Use your email program to send a message to, where the name of the subdomain is the value specified in the “Domain name” parameter on the “Mail server – Incoming email” tab. If you receive a response from Venta4Net Plus informing you that the message had no files attached, consider the test successful.

Testing the conversion of attachments into the facsimile format

Open the “Mail server – Incoming email” tab. Edit the “Allowed file extensions for file attachments” parameter. Specify the extension of the files that will be allowed for processing on the server. Make sure that corresponding applications associated with these file types are installed on the server. For instance, if you need to send DOCX files, MS Word of a corresponding version must be installed on the server.

Note that some documents and graphic files can be converted directly without using third-party applications. For example, the program supports TXT, RTF and HTML documents, as well as graphic files of several formats. This is defined on the “Fax - Conversion” tab.

Use your email application to create a new message, attach a document file of an allowed format and send it to You should receive a reply shortly containing the same file converted into the facsimile format.

Testing scheduled email delivery

Create a message following the above example, but don’t send it to This time, specify an arbitrary phone number, such as Send the message and wait until you receive a notification that a task has been successfully scheduled. You will soon receive another message informing you that the message has been successfully sent to the recipient. The “transmission” process can be visually observed in the program interface.

Note. Make sure that the “Broadcast” button in the main application of the server is pressed (it is pressed by default). Otherwise, your document will not be sent.

Connecting additional email users

All right, you have made sure everything is working fine. It’s time to authorize a couple of users and teach them how to send faxes. Ask them to fax you some typical documents that they will need to send on a regular basis. Make sure the source documents are converted and sent.

Connecting client end users

In some situations, it is impossible to install an application needed for converting documents into the facsimile format (for instance, an accounting program). In this case, the user will need to install the client end of the program. Do it using the same installation file used for installing the server end. Authorize the user as described in the “Authorization of client end users” section.

Note that the total number of authorized users (client end and email) in the trial version cannot exceed 3.

Installation of the full version

After you purchase the commercial version, you can install the server end of the program right over the server end of the trial version. The previously configured settings will be completely preserved. Configuration of modem settings is described in the “Getting started” help section.

Enjoy using our program!


October 29 2018
Version 3.10 released with with various stability and compatibility fixes.
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November 2 2016
Version 3.8 released with speech recognition support and T.38 fax protocol improvements.
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December 22 2015
Version 3.7 released with improved compatibility with Windows 10.
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September 11 2015
Version 3.6 released with a possibility to generate scheduled delivery queue from comma-separated text files (*.CSV).
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December 17 2014
Version 3.4 released with Microsoft Speech Platform SDK 11 support for text-to-speech conversion.
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October 15 2014
Venta4Net 3.3 released. In this version you can see thumbnails of incoming faxes directly in the client end main application.
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January 23 2014
Venta4Net 3.2 with cloud services support has been released.
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September 12 2013
Venta4Net 3.1 released.
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August 15 2012
Venta4Net 3.0 with Internet telephony (VoIP) support has been released.
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