Modified Wednesday 05-03 02:02
This page gives you the foundations of the email system. At the end, you should be able to understand why when you configure your email client, you need to set up: The SMTP configuration And the pop or imap configuration If you want to deliver...
Modified Wednesday 05-03 01:49
A mail delivery agent (MDA) is a local process that is responsible for the local delivery (reception) of e-mail messages to a mailbox It's also known as: message delivery agent (MDA) local delivery agent (LDA) An MDA gets normally the messages...
Modified Wednesday 05-03 01:47
A Mail eXchange (MX) is a smtp server that is responsible for : receiving emails for one or more domain and delivering them to a mail delivery agent (MDA) for final delivery The email servers IP are set in the DNS via the MX record. This is how...
Modified Wednesday 05-03 01:45
The MX DNS is a DNS record that defines the mail eXchange server. You can only use one mail exchange server at a time for a specific domain name (ie domain or subdomain). The name of the MX record is the last part of an email address and designates...
Modified Wednesday 05-03 11:57
Domain-based Message Authentication, Reporting and Conformance (DMARC) is a text DNS Record that indicates to the receiving server what actions should be taken if the emails do not pass the email authentication mechanisms: * DomainKeys Identified Mail...
Modified Wednesday 05-03 11:13
The Sender Policy Framework (SPF) is a framework that determines if the sender of a email transaction is valid. It's part of the email authentication framework with DKIM where the goal is to: prevent email spoofing and reduce unsollicited emails...
Modified Wednesday 05-03 11:03
DomainKeys Identified Mail (DKIM) is a method to sign digitally outgoing email, in order to authenticate a person, role, or organization allowing them to claim some responsibility for the message. The signature associates: * a domain name * to...
Created Wednesday 05-03 01:45
A Mail eXchange (MX) is a smtp server that is responsible for : receiving emails for one or more domain and delivering them to a mail delivery agent (MDA) for final delivery The email servers IP are set in the DNS via the MX record. This is how...
Created Monday 03-02 09:04
The X.509 Public Key Infrastructure is a Public key infrastructure (PKI) that uses a hierarchical system of Certificate authorities that brings trust to the transactions by signing certificate. A Hierarchical PKI consists of: A certificate authority...
Always keep one hand firmly on data, Amos liked to say.
Data is what set psychology apart from philosophy, and physics from metaphysics.
Developing a data warehouse means assembling a lot of subsystems in order to create a whole and coherent data application.
Discovers the 34 Kimball Subsystems and drill down to discover them
Data processing has changed a lot since 1940 :) and luckily, we are not using punch card anymore.
Stream processing is becoming the norm in data integration task while batch processing stays the king in data analysis.
ENIAC, 1946The first fully electronic digital computer
Dimensional Data Modeling permits you to model a (hyper)cube and analyse a process through different perspective. You define dimensions, measures and metrics.
Most programs process some input to produce some output; that’s pretty much the definition of computing.
A Function is the basic block of all reusable code component. It is also becoming the central component of any serverless architecture.
Knowledge isn't free. You have to pay attention.
Computing Division at the Department of the Treasury, mid 1920s
The table format (known also as a relation) is the most important data structure used in data analysis. Did you know that its name originate from the medieval counting table ?
Education isn't something you can finish.