Binary package “php-mail-mime” in ubuntu focal

PHP PEAR module for creating MIME messages

 Provides classes to deal with creation and manipulation of mime messages. It
 allows people to create e-mail messages consisting of:
 .
  - mime.php: Create mime email, with html, attachments, embedded images
    etc.
  - mimePart.php: Advanced method of creating mime messages.
  - xmail.dtd: An XML DTD to acompany the getXML() method of the decoding
    class.
  - xmail.xsl: An XSLT stylesheet to transform the output of the getXML()
    method back to an email