| Horde_Mime_Headers_Element_Address | An interface to indicate that the header element represents e-mail address data (RFC 5322). |
| Horde_Mime_Headers_Extension_Mime | This interface indicates the header is MIME based (RFC 2045 et al.) rather than transport (i.e. RFC 5322) based. |
| Horde_Mime | Provide methods for dealing with MIME encoding (RFC 2045-2049); |
| Horde_Mime_ContentParam_Decode | Decode MIME content parameter data (RFC 2045; 2183; 2231). |
| Horde_Mime_Exception | Exception handler for the Horde_Mime package. |
| Horde_Mime_Filter_Encoding | Stream filter to determine whether body requires either binary or 8bit encoding (RFC 2045 [6]). |
| Horde_Mime_Headers | This class represents the collection of header values for a single mail message part. |
| Horde_Mime_Headers_Addresses | This class represents address fields (RFC 5322). |
| Horde_Mime_Headers_AddressesMulti | This class represents address fields that may appear multiple times in a message part (i.e. they are independent of each other) (RFC 5322). |
| Horde_Mime_Headers_ContentDescription | This class represents the Content-Description header value (RFC 2045[8]). |
| Horde_Mime_Headers_ContentId | This class represents the Content-ID header value (RFC 2045 [7]). |
| Horde_Mime_Headers_ContentLanguage | This class represents the Content-Language header value (RFC 3282). |
| Horde_Mime_Headers_ContentParam | This class represents a header element that contains MIME content parameters (RFCs 2045, 2183, 2231). |
| Horde_Mime_Headers_ContentParam_ContentDisposition | This class represents a Content-Disposition MIME header (RFC 2183). |
| Horde_Mime_Headers_ContentParam_ContentType | This class represents a Content-Type MIME header (RFC 2045). |
| Horde_Mime_Headers_ContentTransferEncoding | This class represents the Content-Transfer-Encoding header value (RFC 2045 [6]). |
| Horde_Mime_Headers_Date | This class represents the Date header value (RFC 5322). |
| Horde_Mime_Headers_Deprecated | Deprecated Horde_Mime_Headers methods. |
| Horde_Mime_Headers_Element | This class represents a single header element. |
| Horde_Mime_Headers_Element_Multiple | Interface representing a single named header element that can appear multiple times in a message part. |
| Horde_Mime_Headers_Element_Single | Interface representing a single named header element that can only appear once in a message part. |
| Horde_Mime_Headers_Identification | This class represents identification headers (RFC 5322 [3.6.4]). |
| Horde_Mime_Headers_MessageId | This class represents the Message-ID header value (RFC 2822 [3.6.4]). |
| Horde_Mime_Headers_Mime | This class handles all MIME headers that don't have a specific class defined for them. |
| Horde_Mime_Headers_MimeVersion | This class represents the MIME-Version header value (RFC 2046[4]). |
| Horde_Mime_Headers_Received | This class represents the Received header value. |
| Horde_Mime_Headers_Subject | This class represents the Subject header value (RFC 5322). |
| Horde_Mime_Headers_UserAgent | This class represents the User-Agent header value. |
| Horde_Mime_Id | Provides methods to manipulate/query MIME IDs. |
| Horde_Mime_Magic | Utilities to determine MIME content-types of unknown content. |
| Horde_Mime_Mail | The Horde_Mime_Mail:: class wraps around the various MIME library classes to provide a simple interface for creating and sending MIME messages. |
| Horde_Mime_Mdn | Message Disposition Notifications (RFC 3798). |
| Horde_Mime_Part | Object-oriented representation of a MIME part (RFC 2045-2049). |
| Horde_Mime_Part_Iterator | Recursive iterator for Horde_Mime_Part objects. This iterator is self-contained and independent of all other iterators. |
| Horde_Mime_Part_Upgrade_V1 | Upgrade V1 of MIME serialized data to V2. |
| Horde_Mime_QuotedPrintable | Quoted-printable utility methods. |
| Horde_Mime_Related | This class parses a multipart/related MIME part (RFC 2387) to provide information on the part contents. |
| Horde_Mime_Translation | Horde_Mime_Translation is the translation wrapper class for Horde_Mime. |
| Horde_Mime_Uudecode | Class used to uudecode data. |