https://www.youtube.com/watch?v=9hLxvwO1VCs&t=4s To increase the attachment file size limit in Exchange Server 2019 To increase the attachment file size limit in Exchange Server 2019, you can follow these steps: Check current limits: First, verify the current message size limits by running the following command in the Exchange Management Shell: Powershell Get-TransportConfig | Format-List MaxReceiveSize,MaxSendSize Increase the limits: Use the Set-TransportConfig cmdlet to increase both the MaxSendSize and MaxReceiveSize. For example, to set the limit to 50 MB: powershell Set-TransportConfig -MaxSendSize 50MB -MaxReceiveSize 50MB Note that you should set the limit about 33% higher than the actual desired attachment size to account for Base64 encoding. So for a 50 MB attachment limit, you may want to set it to around 67 MB. Restart Exchange services: For the changes to take effect immediately, restart the Exchange services using: powershell Get-Service *Exchange* | Where {$_.D...
Site to Site VPN Configuration in SonicWall Router: Setting up a site-to-site VPN on a SonicWall router involves several steps. Keep in mind that the specific steps may vary based on the model and firmware version of your SonicWall router. Here's a general guide: We are going do site to site VPN in two group Group 8 and Group 24 ( left side is Group 8 and Right side is Group 24 ) See in the below diagram. Access the SonicWall Management Interface: Open a web browser and enter the IP address of your SonicWall router. Log in with your administrator credentials. Navigate to VPN Settings: Locate the VPN settings in the management interface. This is typically found in the "VPN" section. Click on Manage Click on VPN ( under connectivity ) > Click on Basic settings Now click on Add button Group 8 SonicWall Router configuration: Configure General tab : Provide Security Policy : Policy Type: Authentication Method Name: IPsec Primary Gateway Name or I...
What does SRV, A, MX, CNAME, Reverse DNS IP with ISP do? SRV (Service) Record: SRV records are used to specify the location of services within a domain. They map the name of a service to the hostname of the server offering that service, along with the port number and protocol used for the service. SRV records are commonly used in conjunction with applications such as Active Directory, SIP (Session Initiation Protocol) for VoIP services, and other services that require service discovery. A (Address) Record: A record map hostnames to IP addresses. They are used to translate human-readable domain names (e.g., www.example.com ) into the numerical IP addresses (e.g., 192.0.2.1) that computers use to communicate over the internet. A records are fundamental in the DNS hierarchy and are essential for directing traffic to specific web servers, mail servers, or other network resources. MX (Mail Exchange) Record: MX records specify the mail servers responsible for receiving email on beh...
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