![]() Now as a final step, you need to name your rule. You could see how it should look like on Figure 8.įigure 8 - Rule application Step 9 - Specify the name of the rule This means that anytime the SMTP want to connect to anything, the firewall will let it do. This rule should apply whenever the SMTP server connects to anything, so please make sure to tick in every box available. You can see witch to use on Figure 7.įigure 7 - Allow the connection Step 8 - Rule application To make your SMTP work, you need to choose “ Allow the connection”. Here you need to choose what action should be preformed when the conditions match. In this case, you need to choose TCP and specify the local port number which is in this case “ 25”.įigure 6 - Specify the Port number Step 7 - Specify the action when a connection matches In some cases, TCP is slower but more secure,but UDP is faster. It is similar to TCP, but it leaves out all the error-checking protocols. It is designed to offer highly reliable and secure stream over an unreliable internetwork. TCP stands for Transmission Control Protocol. In this case, you need to choose the “ Port” option.įigure 5 - Configure Port rule Step 6 - Specify the Port number Here you can choose whether you would like to create a new rule for a program, a port or a predefined. You can find it with the help of Figure 4.įigure 4 - Creat New rule Step 5 - Configure Port rule It is located under the “ Inbound Rules” title. To do that, please click the “ New Rule” button on the right side of the screen. You will need a new rule to provide an exception for your SMTP server. You can see where to click on Figure 3.įigure 3 - Select Inbound rules Step 4 - Create New rule ![]() To do that, search for it on the left side of the screen. Now you need to open the “Inbound Rules” manager. Here you can manage the security levels, you can set up and delete rules and import or export policies. Now you are in the Advanced Settings of the Windows Firewall. You can find where to click on Figure 2.įigure 2 - Select Advanced settings Step 3 - Select Inbound rules It is located on the left side of the screen. If you have opened the Windows Defender Firewall settings application, you will need to open the “ Advanced Settings”. You can see the whole procedure on Figure 1.įigure 1 - Open Windows Defender Firewall Step 2 - Select Advanced settings Your windows will find the configurator.Ĭlick it and the application will open. To do that, please press the window button, and start typing in “ firewall”. The first step, is opening your Windows Defender Firewall configuration program. Your browser does not support the video tag. Tick the Domain, Private, Public checkboxes.Specify the local ports: Enter "25" into the textbox.You need to setup an SMTP connection which will not be disturbed by the Windows Firewall.Īllowing SMTP through firewall - configuration stepsĬreate an access rule for outgoing SMTP connections. We will provide you all the information, in a form of a step-by-step guide, To have a stable and secure SMTP connection, you need to allow the SMTP through you Windows Firewall. Your Windows Firewall is a security application, which filters the network data transmission. When you send an email, it is transferred over the internet from one server to another, using SMTP. An SMTP is the Simple Mail Transfer Protocol, which is an application that sends, receives, and relays outgoing emails between senders and receivers.
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