In the video, Salman, who is seen sporting a black t-shirt, literally makes a "post", using an envelope, which is generally used to physically transport letters.
The video, which currently has over 32,000 likes and over 2000 re-tweets on Twitter, was captioned: "Posting the old fashioned way..."
Take a look at Salman's video below:
The 53-year-old superstar has become very active on social media lately. He has been giving fans a sneak peek into his personal life, work schedules and fitness regime.
On the work front, Salman is currently shooting for "Dabaang 3" with Sonakshi Sinha, and "Inshallah" alongside Alia Bhatt.