You guys beat me to it - I was working on the list!

Btw for those wondering about reposts: reposts on HN are just fine after a year or so (https://news.ycombinator.com/newsfaq.html), and reposts of classics every now and then are good because it's important for new users to learn the classics!

Can an email go 500 miles in 2025? - https://news.ycombinator.com/item?id=44466030 - July 2025 (122 comments)

Can’t send email more than 500 miles (2002) - https://news.ycombinator.com/item?id=37576633 - Sept 2023 (198 comments)

The case of the 500-mile email (2002) - https://news.ycombinator.com/item?id=29213064 - Nov 2021 (93 comments)

We can't send email more than 500 miles (2002) - https://news.ycombinator.com/item?id=23775404 - July 2020 (135 comments)

500 miles (2002) - https://news.ycombinator.com/item?id=18675375 - Dec 2018 (32 comments)

We can't send mail more than 500 miles - https://news.ycombinator.com/item?id=17602158 - July 2018 (1 comment)

The case of the 500-mile email (2002) - https://news.ycombinator.com/item?id=14676835 - July 2017 (56 comments)

Every time we lift a pallet from the shipping room, the server times out (2006) - https://news.ycombinator.com/item?id=13347058 - Jan 2017 (82 comments)

The case of the 500-mile email - https://news.ycombinator.com/item?id=10305377 - Sept 2015 (1 comment)

The 500-mile email (2002) - https://news.ycombinator.com/item?id=9338708 - April 2015 (139 comments)

The case of the 500-mile email - https://news.ycombinator.com/item?id=2701063 - June 2011 (18 comments)

The case of the 500-mile email - https://news.ycombinator.com/item?id=1293652 - April 2010 (24 comments)

The case of the 500-mile email - https://news.ycombinator.com/item?id=385068 - Dec 2008 (28 comments)

The case of the 500-mile email - https://news.ycombinator.com/item?id=123489 - Feb 2008 (7 comments)

We can’t send mail farther than 500 miles (2002)