Skills

General-purpose programming languages
Skill: Ruby programming language
Query languages
SQL
Skill: GraphQL
Markup languages
Skill: MJML (Mailjet Markup Language)
Stylesheet languages
Scripting languages
Skill: VBA (Visual Basic pour Applications)
Data interchange formats
Skill: XML data interchange format
Skill: JSON data interchange format
Skill: SDMX data interchange format
CSV
Lightweight markup languages
Skill: Markdown
Skill: MDX (Markdown for the Component Era)
Skill: reStructuredText
Template systems
eRuby
Frameworks
E-commerce
Help desks
Databases
Database administration
MongoDB Compass
Backup tools
mysqldump
mariadb-dump
Duplicity
VCS
Deployment
Code editors
API
SOAP
REST
Productivity & collaboration platforms
Network security and tools
openssl
SSH
SFTP
Web servers
HTTP & HTTP/2 & HTTP/3 + QUIC
H2O
App servers
uWSGI
Web cryptography
TLS 1.3
SNI
HSTS Preload
OCSP stapling
ACME
ECC
Cipher suites
ssldump
Cloud service providers
CMS
DNS
DNSSEC
DNS over TLS/QUIC
DNS CAA
DNSControl
Operating systems
Package managers
RubyGems - package manager for the Ruby programming language that provides a standard format for distributing Ruby programs and libraries
pip - package-management system written in Python and used to install and manage software packages
Hatch is a modern, extensible Python project manager
APT
pacman & pikaur
Emailing
SMTP/SMTPS
Postfix - open-source mail transfer agent (MTA) that routes and delivers electronic mail
IMAP/IMAPS
Dovecot - open-source IMAP and POP3 server for Unix-like operating systems, written primarily with security in mind
FTS Flatcurve
DKIM
MTA-STS
PTR
Brand Indicators for Message Identification, or BIMI is a specification allowing for the display of brand logos next to authenticated emails
SVG Tiny P/S
Apache SpamAssassin - Open Source anti-spam platform giving system administrators a filter to classify email and block spam
Spamhaus Technology - Real-time Blackhole List | IP and domain reputation data
UCEPROTECT-Network - Real-time Blackhole List | Spam protection made in Switzerland
The Newsletter Plugin | A complete tool to manage newsletters, straight from your Wordpress dashboard.
Mailchimp, a marketing automation and email marketing platform
Postal - A fully featured open source mail delivery platform for incoming & outgoing email
Use Postmaster Tools to analyze your email performance, and help Gmail route your messages to the right place
Outlook.com Smart Network Data Services (SNDS) and Junk Mail Reporting Program (JMRP)
SNDS & JMRP
Sécurité de l’email pour les entreprises propulsée par l’IA
Become a better sender every day
Sécurité de l’email pour les entreprises propulsée par l’IA
Cloudmark is a trusted leader in intelligent threat protection against known and future attacks, safeguarding 12 percent of the world’s inboxes from wide-scale and targeted email threats
AT&T Yahoo Mail
Xfinity Email, dashboard for Comcast.net email service
BT Group plc is a British multinational telecommunications holding company headquartered in London, England
Mail-tester.com – Testez l'indésirabilité (spam) de vos emails
Free and open source webmail software for the masses, written in PHP
Regular expressions
Capturing groups
(Double) escaping
Negative lookahead
Negated character class
Greedy and lazy quantifiers
Global pattern flags
PCRE2 syntax
REGEXP_REPLACE function
regex101: build, test, and debug regex
Design
Adobe Photoshop
Adobe Illustrator
Adobe XD | Adobe Experience Design