nethserver-mail-migrate-mailboxes: cleanup empty Maildir/ directory in user's home. Refs #1669
nethserver-mail-migrate-mailboxes: reset POSIX acls on destination Maildir/. Refs #1669
/etc/postfix/main.cf template (40submission_policy_authenticated): add subroutine to submission_policy hash and override the default submission policy. Refs #1856
nethserver-mail-migrate-mailboxes: migrate .dovecot.sieve symlinks and sieve/ subdirs. Refs #1815
nethserver-mail-migrate-mailboxes action: fixed -l operator precedence. Refs #1815
createlinks: removed old vmail storage dir creation. Refs #1739
/etc/postfix/{aliases,virtual} templates: print out forwards and pseudonyms in alphabetical oreder. Refs #1857
NethServer::MailServer perl module (getMailboxForwards): group members expanded as forwards, instead of virtual aliases. Refs #1857