Name: sieve_extensions
Type: BITFIELD
Allowed-Values: fileinto reject vacation vacation-seconds notify include
 envelope environment body relational regex subaddress copy date index
 imap4flags=imapflags mailbox mboxmetadata servermetadata variables
 editheader extlists duplicate ihave fcc special-use redirect-dsn
 redirect-deliverby mailboxid vnd.cyrus.log=x-cyrus-log
 vnd.cyrus.jmapquery=x-cyrus-jmapquery processcalendar=vnd.cyrus.imip
 snooze=vnd.cyrus.snooze=x-cyrus-snooze vnd.cyrus.implicit_keep_target
 vnd.cyrus.redirect-multiple
Default-Value: fileinto reject vacation vacation-seconds notify include
 envelope environment body relational regex subaddress copy date index
 imap4flags mailbox mboxmetadata servermetadata variables editheader
 extlists duplicate ihave fcc special-use redirect-dsn redirect-deliverby
 mailboxid vnd.cyrus.log vnd.cyrus.jmapquery processcalendar snooze
 vnd.cyrus.implicit_keep_target vnd.cyrus.redirect-multiple
Last-Modified: 3.13.3

Space-separated list of Sieve extensions allowed to be used in sieve
scripts.  This option has no effect on options that are disabled at compile
time (e.g., "regex").
