There were 1 times that mailman.columbia.edu's availability was tested during the 2 121 days from February 4, 2019. Out of all availability checks performed, mailman.columbia.edu was online 1 times, most recently, on February 4, 2019, it responded with a 200 status code. Assessments showed mailman.columbia.edu faced no interruptions in service as of November 25, 2024. Based on the replies that were received, it was determined that as of November 25, 2024, all responses were error-free. Data indicates mailman.columbia.edu's 1.415 seconds response time on February 4, 2019, against a 1.415 seconds average.