I use the Contact attach module to send files with the contact module. In general, it works good, but when sending .docx files or files with long names, the email is not received correctly.
Debugging, when I comment out the line 426 on the include/mail.inc I correctly receive the email.
$line = wordwrap($line, 996 - $values['length'], $values['soft'] ? " \n" : "\n");
The function containing that line is _drupal_wrap_mail_line().
/**
* Wraps words on a single line.
*
* Callback for array_walk() within drupal_wrap_mail().
*/
function _drupal_wrap_mail_line(&$line, $key, $values) {
// Use soft-breaks only for purely quoted or unindented text.
$line = wordwrap($line, 77 - $values['length'], $values['soft'] ? " \n" : "\n");
// Break really long words at the maximum width allowed.
$line = wordwrap($line, 996 - $values['length'], $values['soft'] ? " \n" : "\n", TRUE);
}
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
See also 🐛 DefaultMailSystem implements MailSystemInterface::format() incorrectly RTBC , which changes the same function changed in this patch. Whichever patch gets committed first, the other one needs to be re-rolled.