.\" Copyright (c) 2010-2018 Dovecot authors, see the included COPYING file
.TH DOVECOT\-LDA 1 "2011-01-16" "Dovecot v2.3" "Dovecot"
.SH NAME
dovecot\-lda \- Dovecot\(aqs local mail delivery agent
.\"------------------------------------------------------------------------
.SH SYNOPSIS
.B dovecot\-lda
.RB [ \-ek ]
[\fB\-a\fP \fIaddress\fP]
[\fB\-c\fP \fIconfig_file\fP]
[\fB\-d\fP \fIusername\fP]
[\fB\-f\fP \fIenvelope_sender\fP]
[\fB\-m\fP \fImailbox\fP]
[\fB\-o\fP \fIsetting=value\fP]
[\fB\-p\fP \fIpath\fP]
.\"------------------------------------------------------------------------
.SH DESCRIPTION
The
.B dovecot\-lda
is a local mail delivery agent which takes mail from an MTA and delivers
it to a user\(aqs mailbox, while keeping Dovecot index files up to date.
.PP
Main features of the
.B dovecot\-lda
are:
.TP 4
*
Mailbox indexing during mail delivery, providing faster mailbox access
later
.TP
*
Quota enforcing by the quota plugin
.TP
*
Sieve language support by the Pigeonhole sieve plugin
.\"------------------------------------------------------------------------
.SH OPTIONS
Options accepted by
.BR dovecot\-lda :
.\"-------------------------------------
.TP
.BI \-a\  address
Destination address (e.g. user+ext@domain). Default is the same as
.IR username .
.\"-------------------------------------
.TP
.BI \-c\  config_file
Alternative configuration file path.
.\"-------------------------------------
.TP
.BI \-d\  username
Destination
.IR username .
If given, the user information is looked up from userdb.
Typically used with virtual users, but not necessarily with system users.
.\"-------------------------------------
.TP
.B \-e
If mail gets rejected, write the rejection reason to stderr and exit with
status 77 (EX_NOPERM).
The default is to send a rejection mail ourself.
.\"-------------------------------------
.TP
.BI \-f\  envelope_sender
Envelope sender address.
.\"-------------------------------------
.TP
.B \-k
Don\(aqt clear all environment at startup.
.\"-------------------------------------
.TP
.BI \-m\  mailbox
Destination mailbox (default is
.BR INBOX ).
If the mailbox doesn\(aqt exist, it will not be created (unless the
.I lda_mailbox_autocreate
setting is set to
.BR yes ).
If a message couldn\(aqt be saved to the
.I mailbox
for any reason, it\(aqs delivered to
.B INBOX
instead.
.\"---------------------------------
.TP
.BI \-o\  setting = value
Overrides the configuration
.I setting
from
.I /etc/dovecot/dovecot.conf
and from the userdb with the given
.IR value .
In order to override multiple settings, the
.B \-o
option may be specified multiple times.
.\"-------------------------------------
.TP
.BI \-p\  path
Path to the mail to be delivered instead of reading from stdin.
If using maildir the file is hard linked to the destination if possible.
This allows a single mail to be delivered to multiple users using hard
links, but currently it also prevents deliver from updating cache file so
it shouldn\(aqt be used unless really necessary.
.\"------------------------------------------------------------------------
.SH "EXIT STATUS"
.B dovecot\-lda
will exit with one of the following values:
.TP 4
.B 0
Delivery was successful. (EX_OK)
.TP
.B 64
Invalid parameter given. (EX_USAGE)
.TP
.B 77
.B \-e
option was used and mail was rejected.
Typically this happens when user is over quota and
.B quota_full_tempfail = no
is configured. (EX_NOPERM)
.TP
.B 75
A temporary failure. This is returned for almost all failures. See the log
file for details. (EX_TEMPFAIL)
.\"------------------------------------------------------------------------
.SH FILES
.TP
.I /etc/dovecot/dovecot.conf
Dovecot\(aqs main configuration file.
.TP
.I /etc/dovecot/conf.d/10\-mail.conf
Mailbox locations and namespaces.
.TP
.I /etc/dovecot/conf.d/15\-lda.conf
LDA specific settings.
.TP
.I /etc/dovecot/conf.d/90\-plugin.conf
Plugin specific settings.
.TP
.I /etc/dovecot/conf.d/90\-quota.conf
Quota configuration.
.\"------------------------------------------------------------------------
.SH REPORTING BUGS
Report bugs, including
.I doveconf \-n
output, to the Dovecot Mailing List <dovecot@dovecot.org>.
Information about reporting bugs is available at:
http://dovecot.org/bugreport.html
.\"------------------------------------------------------------------------
.SH SEE ALSO
.BR doveadm (1),
.BR dovecot (1),
.BR doveconf (1),
.BR dsync (1)
.PP
Related MTA specific documentation:
.\"-------------------------------------
.TP
Postfix:
.BR postconf (5),
.BR transport (5),
.BR pipe (8)
.\"-------------------------------------
.PP
Exim:
.IP "The accept router"
http://exim.org/exim\-html\-current/doc/html/spec_html/ch16.html
.IP "Generic options for transports"
http://exim.org/exim\-html\-current/doc/html/spec_html/ch24.html
.IP "The pipe transport"
http://exim.org/exim\-html\-current/doc/html/spec_html/ch29.html