Mail delivery agent
A Mail Delivery Agent (MDA) is software for the delivery of emails to the relevant user accounts .
Mail delivery agents, along with mail user agents, are the two original components of systems for e-mail. Because each mail user agent can only access a single user directory of a computer user, a mail delivery agent is assigned the delivery in multi-user systems , and the root account has extended access rights .
With the client-server model came Mail Transfer Agents and the Simple Mail Transfer Protocol added. In addition to this network protocol , mail delivery agents can use the Local Mail Transfer Protocol .
Independent implementations of mail delivery agents are also simply called mail filters :
Some examples of software that include MDA:
- bin / mail - the MDA part of Sendmail
- fdm - a combined MRA ( Mail Retrieval Agent ) and MDA
- postfix-maildrop - the MDA of the Postfix - MTA
- smtp, local, virtual - Postfix daemons
- exim - Exim
- dovecot-lda - the MDA from Dovecot
Individual evidence
- ↑ RFC 5598 - Internet Mail Architecture . Internet Engineering Task Force . P. 23. Retrieved July 25, 2011.