Ldap_autoreply_subject MTA option

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Direct LDAP attribute name MTA options: ldap_autoreply_subject (LDAP attribute name)

The ldap_autoreply_subject MTA option specifies the name of the user (or group) LDAP attribute which will store the text to put on the Subject: header line of any autoreply/vacation message generated on behalf of the user. The default LDAP attribute for this purpose is mailAutoReplySubject. (The MTA in principle allows this attribute on group/mailing list entries as well as on user entries, but the typical configuration of the delivery_options MTA option disables this support in the case of groups. Futhermore, the Sun schema does not, as distributed, allow this attribute on group/mailing list entries. See the delivery_options MTA option for some discussion regarding enabling use of this attribute on group/mailing list entries.)

The schema sets an ACI on the default attribute, mailAutoReplySubject, to allow user modification.

In whatever attribute is named by ldap_autoreply_subject, the value in the attribute must be a UTF-8 string. This value gets passed as the :subject argument to the vacation action.

As of MS 6.2-2.01, the special strings $SUBJECT and $FROM are supported for use in this attribute's value, causing substitution of the original message's Subject: field value or From: field value, respectively, into the generated string.

New in MS 8.0.2.2, substitutions from the vacationStartDate and vacationEndDate are also also available. These substitutions take the form $<attribute><part> where $<attribute> is "B" for the start (beginning) date or "E" for the end date, and <part> is one of the date parts defined in RFC 5260 section 4.2. So for example, the string $EDATE" would substitute in the end date in YYYY-MM-DD format. These substitution strings are treated as regular text if the corresponding attribute is not defined or is set to an invalid value.

Note that new in MS 6.3-0.15, the MTA supports the use of multiple, language-tagged values, for this attribute. When multiple, language-tagged values are present, the MTA will preferentially use the value tagged as being in the language preference expressed in a header line such as Accept-Language:, or in the absence of such header lines the MTA's next choice will be the value tagged as being in the language of the envelope From user's ldap_preferred_language (normally preferredLanguage) attribute's value.

Prior to 7.0.5, the length of the value of mailAutoReplySubject was limited to 256 characters (though the maximum length of a :subject parameter in a Sieve vacation action has always been 1024 characters). As of 7.0.5, the length limit for mailAutoReplySubject has been raised so that at least 900 characters can be specified.


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