/usr/share/maven-repo/com/sun/mail/ is in libmail-java 1.6.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/com/sun/mail/all/
/usr/share/maven-repo/com/sun/mail/all/1.6.1/
/usr/share/maven-repo/com/sun/mail/all/1.6.1/all-1.6.1.pom
/usr/share/maven-repo/com/sun/mail/all/debian/
/usr/share/maven-repo/com/sun/mail/all/debian/all-debian.pom
/usr/share/maven-repo/com/sun/mail/dsn/
/usr/share/maven-repo/com/sun/mail/dsn/1.6.1/
/usr/share/maven-repo/com/sun/mail/dsn/1.6.1/dsn-1.6.1.jar
/usr/share/maven-repo/com/sun/mail/dsn/1.6.1/dsn-1.6.1.pom
/usr/share/maven-repo/com/sun/mail/dsn/debian/
/usr/share/maven-repo/com/sun/mail/dsn/debian/dsn-debian.jar
/usr/share/maven-repo/com/sun/mail/dsn/debian/dsn-debian.pom
/usr/share/maven-repo/com/sun/mail/gimap/
/usr/share/maven-repo/com/sun/mail/gimap/1.6.1/
/usr/share/maven-repo/com/sun/mail/gimap/1.6.1/gimap-1.6.1.jar
/usr/share/maven-repo/com/sun/mail/gimap/1.6.1/gimap-1.6.1.pom
/usr/share/maven-repo/com/sun/mail/gimap/debian/
/usr/share/maven-repo/com/sun/mail/gimap/debian/gimap-debian.jar
/usr/share/maven-repo/com/sun/mail/gimap/debian/gimap-debian.pom
/usr/share/maven-repo/com/sun/mail/imap/
/usr/share/maven-repo/com/sun/mail/imap/1.6.1/
/usr/share/maven-repo/com/sun/mail/imap/1.6.1/imap-1.6.1.jar
/usr/share/maven-repo/com/sun/mail/imap/1.6.1/imap-1.6.1.pom
/usr/share/maven-repo/com/sun/mail/imap/debian/
/usr/share/maven-repo/com/sun/mail/imap/debian/imap-debian.jar
/usr/share/maven-repo/com/sun/mail/imap/debian/imap-debian.pom
/usr/share/maven-repo/com/sun/mail/javax.mail/
/usr/share/maven-repo/com/sun/mail/javax.mail/1.6.1/
/usr/share/maven-repo/com/sun/mail/javax.mail/1.6.1/javax.mail-1.6.1.jar
/usr/share/maven-repo/com/sun/mail/javax.mail/1.6.1/javax.mail-1.6.1.pom
/usr/share/maven-repo/com/sun/mail/javax.mail/debian/
/usr/share/maven-repo/com/sun/mail/javax.mail/debian/javax.mail-debian.jar
/usr/share/maven-repo/com/sun/mail/javax.mail/debian/javax.mail-debian.pom
/usr/share/maven-repo/com/sun/mail/logging-mailhandler/
/usr/share/maven-repo/com/sun/mail/logging-mailhandler/1.6.1/
/usr/share/maven-repo/com/sun/mail/logging-mailhandler/1.6.1/logging-mailhandler-1.6.1.jar
/usr/share/maven-repo/com/sun/mail/logging-mailhandler/1.6.1/logging-mailhandler-1.6.1.pom
/usr/share/maven-repo/com/sun/mail/logging-mailhandler/debian/
/usr/share/maven-repo/com/sun/mail/logging-mailhandler/debian/logging-mailhandler-debian.jar
/usr/share/maven-repo/com/sun/mail/logging-mailhandler/debian/logging-mailhandler-debian.pom
/usr/share/maven-repo/com/sun/mail/mailapi/
/usr/share/maven-repo/com/sun/mail/mailapi/1.6.1/
/usr/share/maven-repo/com/sun/mail/mailapi/1.6.1/mailapi-1.6.1.jar
/usr/share/maven-repo/com/sun/mail/mailapi/1.6.1/mailapi-1.6.1.pom
/usr/share/maven-repo/com/sun/mail/mailapi/debian/
/usr/share/maven-repo/com/sun/mail/mailapi/debian/mailapi-debian.jar
/usr/share/maven-repo/com/sun/mail/mailapi/debian/mailapi-debian.pom
/usr/share/maven-repo/com/sun/mail/pop3/
/usr/share/maven-repo/com/sun/mail/pop3/1.6.1/
/usr/share/maven-repo/com/sun/mail/pop3/1.6.1/pop3-1.6.1.jar
/usr/share/maven-repo/com/sun/mail/pop3/1.6.1/pop3-1.6.1.pom
/usr/share/maven-repo/com/sun/mail/pop3/debian/
/usr/share/maven-repo/com/sun/mail/pop3/debian/pop3-debian.jar
/usr/share/maven-repo/com/sun/mail/pop3/debian/pop3-debian.pom
/usr/share/maven-repo/com/sun/mail/smtp/
/usr/share/maven-repo/com/sun/mail/smtp/1.6.1/
/usr/share/maven-repo/com/sun/mail/smtp/1.6.1/smtp-1.6.1.jar
/usr/share/maven-repo/com/sun/mail/smtp/1.6.1/smtp-1.6.1.pom
/usr/share/maven-repo/com/sun/mail/smtp/debian/
/usr/share/maven-repo/com/sun/mail/smtp/debian/smtp-debian.jar
/usr/share/maven-repo/com/sun/mail/smtp/debian/smtp-debian.pom