The Indonesian Christian Student Movement (GMKI) is a student organization that was founded on February 9, 1950. GMKI has approximately 90 branches spread throughout the country, including in Salatiga City. As one of the branches, GMKI Salatiga Branch refers to the Internal Working Mechanism (MKI) as a policy document that regulates correspondence procedures within the organization. In its application, the correspondence mechanism is still carried out in a conventional way and has not utilized technology optimally. This study aims to produce a web-based mail archive management information system with the Laravel framework. The author uses a qualitative descriptive approach in writing. The design method in this study uses the prototype method. Then, for testing the system the author uses the black box testing method. The construction of this web-based information system can make it easier for the Branch Management Board (BPC) of GMKI Salatiga Branch in the process of making template letters and digitally filing letters from anywhere as long as they are connected to the internet.

Based on the Department of Agriculture which still does not have the tools or media to manage the letter of service, both the incoming and outgoing mail which impact on the weak supervision follow-up of the service letter due to ignorance that the letter should be processed. This study was made as a visual and text notification of incoming and outgoing mail data with more detailed archive storage. This website application is supported by using social media telegram API service that is used as notification in the form of notification to the employee so that the Service Letter can be followed up immediately.