--- title: Best It's Foss posts — June 2023 | daily.dev description: The most upvoted It's Foss posts from June 2023, curated by the daily.dev community. canonical: https://daily.dev/sources/itsfoss/best-of/2023/06 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/itsfoss/best-of/2023/06 og:type: website og:site_name: daily.dev og:title: Best It's Foss posts — June 2023 | daily.dev og:description: The most upvoted It's Foss posts from June 2023, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of It's Foss — June 2023 1. 1 [](https://daily.dev/posts/12-best-open-source-email-servers-vpcca0uyb "12 Best Open Source Email Servers") Article It's Foss · 3y 12 Best Open Source Email Servers Postal Postal is a feature-rich mail server that can be utilized by websites and servers. Cuttlefish is a no-nonsense open-source mail server suite with tools that help you build a web server, manage your mailbox, and more. Haraka Haraka is a modern open source SMTP server built with Node. 42 2 2. 2 [](https://daily.dev/posts/moo-there-is-a-cow-in-my-linux-terminal-hxibajpyk "Moo! There is a Cow in My Linux Terminal") Article It's Foss · 3y Moo! There is a Cow in My Linux Terminal Cowsay Cowsay is a popular tool that gives you a cow in the terminal. By default, cowsay provides several options to tweak the look and appearance of the ASCII cow. You can also add the cowsay options to make it better: f Using a colorful cow with lolcat and its rainbow effects on texts. 41 3. 3 [](https://daily.dev/posts/bash-basics-1-create-and-run-your-first-bash-shell-script-vesbgox3g "Bash Basics #1: Create and Run Your First Bash Shell Script") Article It's Foss · 3y Bash Basics #1: Create and Run Your First Bash Shell Script This tutorial series is for absolute beginners to the Linux terminal. Bash is the most common and universal shell and hence start learning shell scripting with bash. If you are a regular desktop Linux user, this series will help you understand most shell scripts you come across while exploring various software and fixes. 12 [See all It's Foss archives](/sources/itsfoss/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/sources/itsfoss/best-of/2023/06#page","url":"https://daily.dev/sources/itsfoss/best-of/2023/06","name":"Best It's Foss Posts — June 2023","description":"The most upvoted It's Foss posts from June 2023, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/sources/itsfoss/best-of/2023/06#items","numberOfItems":3,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/12-best-open-source-email-servers-vpcca0uyb","name":"12 Best Open Source Email Servers"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/moo-there-is-a-cow-in-my-linux-terminal-hxibajpyk","name":"Moo! There is a Cow in My Linux Terminal"},{"@type":"ListItem","position":3,"url":"https://daily.dev/posts/bash-basics-1-create-and-run-your-first-bash-shell-script-vesbgox3g","name":"Bash Basics #1: Create and Run Your First Bash Shell Script"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Sources","item":"https://daily.dev/sources"},{"@type":"ListItem","position":3,"name":"It's Foss","item":"https://daily.dev/sources/itsfoss"},{"@type":"ListItem","position":4,"name":"Best of","item":"https://daily.dev/sources/itsfoss/best-of"},{"@type":"ListItem","position":5,"name":"June 2023"}]}]} ```