Someone

protocols = imap imaps
listen = *
login_process_size = 64
default_mail_env = maildir:/usr/local/virtual/%u/

namespace private {
  separator = .
  prefix = INBOX.
  inbox = yes
}

namespace private {
  separator = .
  prefix =
  inbox = yes
  hidden = yes
}

mail_extra_groups = postfix
verbose_proctitle = yes
first_valid_uid = 125
first_valid_gid = 125
#umask = 0077
mbox_read_locks = fcntl
mbox_write_locks = fcntl

ssl_disable = no

ssl_cert_file = /etc/ssl/certs/postfix/your cert file
ssl_key_file = /etc/ssl/certs/postfix/your cert file

# If key file is password protected, give the password here. Alternatively
# give it when starting dovecot with -p parameter.
disable_plaintext_auth = no

ssl_key_password =

protocols = imap imaps pop3

protocol imap {
  imap_client_workarounds = delay-newmail outlook-idle netscape-eoh tb-extra-mailbox-sep
}

#People who use outlook are fux0red anyway...

protocol pop3 {
  pop3_uidl_format = %08Xu%08Xv
  pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
}

protocol lda {
  postmaster_address = postmaster@yourdomain.tld
  sendmail_path = /usr/local/sbin/sendmail
}

auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@

auth_debug = yes
auth_verbose = yes
auth default {

passdb sql {
        args = /usr/local/etc/dovecot-mysql.conf
  }

userdb sql {
        args = /usr/local/etc/dovecot-mysql.conf
  }
}