Setup Outgoing Email on Lightsail Ubuntu VPS

I followed instructions here: https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-postfix-as-a-send-only-smtp-server-on-ubuntu-18-04{.rank-math-link}

Everything seemed okay but email were not getting delivered. Logs showed me that smtp connections were timing out:


Winners of Close-Up Photographer of the Year – The Atlantic

https://www.theatlantic.com/photo/2020/11/winners-close-up-photographer-year/617070/


List of Open Startups

See startups that are growing fast

Source: List of Open Startups


Source Ask HN Those making $500 month on…

Source: Ask HN: Those making $500/month on side projects in 2020 – Show and tell | Hacker News


How not to SaaS

https://www.indiehackers.com/post/how-not-to-saas-e2cc5204b8


Ask HN: Jack-of-all-trades of HN, how do you approach job search? | Hacker News

Source: Ask HN: Jack-of-all-trades of HN, how do you approach job search? | Hacker News


Multi-screening may mess with your memory – Cosmos Magazine

Study looks at why some of us don’t remember things.

Source: Multi-screening may mess with your memory – Cosmos Magazine


Ask HN: Best programmable robot for a child with SDK? | Hacker News

Source: Ask HN: Best programmable robot for a child with SDK? | Hacker News


Parallel tracks – spakhm’s newsletter

Unlike engineers, engineering managers have no natural source of power. In previous lives many of them ran the machines themselves, but there came a time when they’ve traded their role as craftsmen for the management track. Sometimes it’s because they weren’t good craftsmen in the first place and knew it limits their earning capacity. Sometimes they were good craftsmen who were seduced by the siren song of social status among the normies. Sometimes they genuinely wanted to support engineers in their work. But in every case, they can no longer fix the machines. Their power has to come from elsewhere.

Source: Parallel tracks – spakhm’s newsletter


Choosing the Management Track | Hacker News

Choosing the Management Track

Source: Choosing the Management Track | Hacker News