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-rw-r--r--doc/guix.texi13
-rw-r--r--gnu/services/mail.scm11
2 files changed, 23 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 2e00e38f7c..49d4ef8473 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -20070,6 +20070,19 @@ This is used by imap (for shared users) and lda.
It defaults to @samp{"/var/run/dovecot/auth-userdb"}.
@end deftypevr
+@deftypevr {@code{protocol-configuration} parameter} boolean imap-metadata?
+Whether to enable the @code{IMAP METADATA} extension as defined in
+@uref{https://tools.ietf.org/html/rfc5464,RFC@tie{}5464}, which provides
+a means for clients to set and retrieve per-mailbox, per-user metadata
+and annotations over IMAP.
+
+If this is @samp{#t}, you must also specify a dictionary @i{via} the
+@code{mail-attribute-dict} setting.
+
+Defaults to @samp{#f}.
+
+@end deftypevr
+
@deftypevr {@code{protocol-configuration} parameter} space-separated-string-list mail-plugins
Space separated list of plugins to load.
@end deftypevr
diff --git a/gnu/services/mail.scm b/gnu/services/mail.scm
index 26e631fd9d..b45bf836a9 100644
--- a/gnu/services/mail.scm
+++ b/gnu/services/mail.scm
@@ -355,7 +355,16 @@ This is used by imap (for shared users) and lda.")
(mail-max-userip-connections
(non-negative-integer 10)
"Maximum number of IMAP connections allowed for a user from each IP
-address. NOTE: The username is compared case-sensitively."))
+address. NOTE: The username is compared case-sensitively.")
+ (imap-metadata?
+ (boolean #f)
+ "Whether to enable the @code{IMAP METADATA} extension as defined in
+@uref{https://tools.ietf.org/html/rfc5464, RFC@tie{}5464}, which provides
+a means for clients to set and retrieve per-mailbox, per-user metadata
+and annotations over IMAP.
+
+If this is @samp{#t}, you must also specify a dictionary @i{via} the
+@code{mail-attribute-dict} setting."))
(define (serialize-protocol-configuration field-name val)
(format #t "protocol ~a {\n" (protocol-configuration-name val))