PLESK 1) Create a /var/qmail/bin/sendmail-wrapper script with the following content: #!/bin/sh (echo X-Additional-Header: $PWD ;cat) | tee -a /var/tmp/mail.send|/var/qmail/bin/sendmail-qmail “$@” Note, it should be two lines including ‘#!/bin/sh’. 2) Create a log file /var/tmp/mail.send and grant it “a+rw” rights; make the wrapper executable; rename old sendmail; and link it to the new wrapper: ~# touch…