List of Sieve Extensions Supported by Gandi

The following is a list of Sieve extensions available on Gandi’s mail servers. For more information on how to use these extensions follow the links below.

body	Checks for the occurrence of one or more strings in the body of an email message.
comparator-i;ascii-numeric	Extracts numbers from text and compares them to see if they match.
copy	Specifies that a copy of an email should be used to perform some action (such as forwarding or filing into a folder).
date	Allows for action to be applied based on the date or time an email was sent or received.
duplicate	Tests if the email is a duplicate.
encoded-character	Allows encoding of special characters numerically.
envelope	Allows testing of envelope parts, such as the “to” and “from” address.
extracttex	For use with “forevererypart”, extracts a specified part of the text for use as a variable.
fileinto	Delivers the message into the specified folder.
foreverypart	Allows commands to be performed on every MIME part of a message.
ihave	Tests if a Sieve extension is available and takes action based on the result.
imap4flags	Allows the setting of IMAP flags and keywords to messages.
include	Allows the inclusion of one Sieve script inside another.
index	Allows the matching of header fields based on the position of the text within the string (for example, starting from the 5th character.)
mailbox	Checks to see if a specified folder exists.
mime	Allows tests on specific MIME parts of a message.
regex	Allows the use of regular expressions.
reject	Refuses delivery of a message.
relational	Allows for relational comparisons of part of the message.
subaddress	Allows tests on the sub-parts of a subaddress.
vacation	Allows autoresponding emails.
variables	Adds variable support.