Mail retrieval agent
In this article, we will explore Mail retrieval agent from different perspectives, analyzing its importance, impact and relevance in various contexts. From its origin to its evolution today, Mail retrieval agent has been the subject of interest and debate among experts, academics and hobbyists. Through a detailed analysis, we aim to shed light on the lesser-known aspects of Mail retrieval agent, as well as highlight its influence in fields as varied as science, culture, technology or society in general. With a multidisciplinary approach, we will address the multiple facets of Mail retrieval agent to provide a comprehensive and enriching vision on this topic.
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A mail retrieval agent (MRA) is a computer application that retrieves or fetches e-mail from a remote mail server and works with a mail delivery agent to deliver mail to a local or remote email mailbox.[1] MRA is an automated agent that works on behalf of the user agent checks for the new incoming mail.[2][3] MRAs may be external applications by themselves or be built into bigger applications like a mail user agent. Significant examples of standalone MRAs include fetchmail and getmail.[4][user-generated source]
The concept of an MRA is not standardized in email architecture. Although they operate like mail transfer agents, MRAs are technically clients when they retrieve and submit messages.
Delivery mechanisms
The mail retrieval agent may support delivery of retrieved mail via the following mechanisms:
- Via a mail transport agent (Listening for SMTP transfers on port 25)
- Via a mail delivery agent
- Direct delivery to an mbox formatted mailbox
- Direct delivery to a maildir directory
- Output to standard output
Multiple mailbox support
The mail retriever agent may support retrieval of mail from multiple mailboxes simultaneously. This enables a mailserver to have a centrally configured mail retriever agent that runs against a dedicated mail system account, and collects the mail for all users in a single invocation (rather than using cron to run a mail retriever agent against all the mail recipients).
See also
References
- ^ "GBdirect — An Overview of Internet Email". ebusiness.gbdirect.co.uk. Retrieved 2023-06-19.
- ^ Bergstra, Jan; Burgess, Mark (2011-08-11). Handbook of Network and System Administration. Elsevier. ISBN 978-0-08-055358-0.
- ^ "GBdirect — An Overview of Internet Email". ebusiness.gbdirect.co.uk. Retrieved 2023-06-19.
- ^ MuttWiki: MailConcept
Bibliography
- Faircloth, Jeremy (25 Nov 2013). Enterprise Applications Administration: The Definitive Guide to Implementation and Operations. Newnes. ISBN 9780124078871.
- EC-Council (20 Dec 2012). Network Defense: Security and Vulnerability Assessment. Cengage Learning. ISBN 978-1435483590.
- Vakali, Athena (30 Sep 2006). Web Data Management Practices: Emerging Techniques and Technologies. Idea Group Inc (IGI). ISBN 9781599042305.
- McBee, Jim (26 Jan 2009). Mastering Microsoft Exchange Server 2007 SP1. John Wiley & Sons. ISBN 9780470478141.
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