Atos mail server

ATOS is a French multinational information technology company, and their mail server is likely to be a custom implementation or a combination of various technologies. However, I can provide some general information on mail servers and some possible components that ATOS might use.

A mail server is a computer system that handles email messages and provides services such as:

  1. Message transfer: receiving, storing, and forwarding email messages.
  2. Message delivery: delivering email messages to recipients' mailboxes.
  3. Authentication: verifying the identity of senders and recipients.
  4. Storage: storing email messages in a database or file system.

Some common components of a mail server include:

  1. Mail Transfer Agent (MTA): responsible for transferring email messages between mail servers.
  2. Mail Delivery Agent (MDA): responsible for delivering email messages to recipients' mailboxes.
  3. Mail User Agent (MUA): responsible for allowing users to send and receive email messages.
  4. Authentication, Authorization, and Accounting (AAA) server: responsible for verifying the identity of users and controlling access to the mail server.

Some popular mail server software includes:

  1. Postfix: an open-source MTA.
  2. Sendmail: an open-source MTA.
  3. Microsoft Exchange: a proprietary MTA and MDA.
  4. IBM Domino: a proprietary MTA and MDA.
  5. OpenSMTPD: an open-source MTA.

ATOS might use a combination of these components and software to build their mail server. However, without more specific information, it's difficult to determine the exact components and software used by ATOS.

If you're looking for more information on ATOS' mail server, I recommend checking their official website, documentation, or contacting their support team directly.