Development of Efficient Secured Email Communication Protocols with Optimised Frame Transmission Using Stop-and-Wait ARQ - V, Kiran; Kumar, Vineeth; Vishwadharini; B R, Vivek (2025 9th International Conference on Computational System and Information Technology for Sustainable Solutions (CSITSS), Computational System and Information Technology for Sustainable Solutions (CSITSS), 2025 9th International Conference on, 2025)