当由于某种原因无法在本地传递邮件时，Postfix 会使用中继主机将邮件发送到那里，在我看来这毫无意义。我该如何防止这种情况发生，并向邮政局长发送错误邮件或忽略错误？
主文件：
meta_directory = /nix/store/273x36101hsa1jwfl9xc4g9z4shsfrp5-postfix-3.1.3/etc/postfix
setgid_group = postdrop
command_directory = /nix/store/273x36101hsa1jwfl9xc4g9z4shsfrp5-postfix-3.1.3/bin
sample_directory = /etc/postfix
newaliases_path = /nix/store/273x36101hsa1jwfl9xc4g9z4shsfrp5-postfix-3.1.3/bin/newaliases
mailq_path = /nix/store/273x36101hsa1jwfl9xc4g9z4shsfrp5-postfix-3.1.3/bin/mailq
readme_directory = /nix/store/273x36101hsa1jwfl9xc4g9z4shsfrp5-postfix-3.1.3/share/postfix/doc
sendmail_path = /nix/store/273x36101hsa1jwfl9xc4g9z4shsfrp5-postfix-3.1.3/bin/sendmail
daemon_directory = /nix/store/273x36101hsa1jwfl9xc4g9z4shsfrp5-postfix-3.1.3/libexec/postfix
manpage_directory = /nix/store/273x36101hsa1jwfl9xc4g9z4shsfrp5-postfix-3.1.3/share/man
html_directory = /nix/store/273x36101hsa1jwfl9xc4g9z4shsfrp5-postfix-3.1.3/share/postfix/doc/html
data_directory = /var/lib/postfix/data
shlib_directory = no
#mailbox_transport = lmtp:unix:private/lmtp
mailbox_transport = lmtp:inet:127.0.0.1:1112
#virtual_transport = lmtp:inet:127.0.0.1:1112
mydomain = <hidden>
mynetworks = 192.0.0.0/8, 127.0.0.0/8
relay_domains =
mydestination =
localhost.$mydomain
localhost
$myhostname
$mydomain
append_dot_domain = no
append_at_mydomain = no
compatibility_level = 2
home_mailbox = .local/Maildir/
alias_maps = hash:/etc/aliases
virtual_alias_domains = hash:/etc/postfix/domains
virtual_alias_maps =
pcre:/etc/postfix/j
virtual_mailbox_base = /var/lib/postfix/virtual
# Receiving SMTP
smtpd_sasl_type = dovecot
smtpd_sasl_path = inet:127.0.0.1:1111
smtpd_sender_login_maps = hash:/etc/postfix/login-domains
smtpd_use_tls=yes
smtpd_tls_auth_only=yes
smtpd_tls_security_level=may
smtpd_tls_CAfile = /etc/postfix/cert/class3.crt
smtpd_tls_key_file = /etc/postfix/cert/postfix-smtp-key.pem
smtpd_tls_cert_file = /etc/postfix/cert/postfix-smtp-cert.pem
#smtpd_sasl_security_options = noanonymous
smtpd_sasl_auth_enable=yes
smtpd_sasl_type=dovecot
smtpd_sasl_path=inet:127.0.0.1:1111
smtpd_relay_restrictions =
permit_auth_destination
permit_mynetworks
permit_sasl_authenticated
permit_inet_interfaces
reject_rhsbl_recipient blspamcop.net
reject_rhsbl_recipient zen.spamhaus.org
reject_rhsbl_recipient b.barracudacentral.org
reject_rhsbl_recipient b.barracudacentral.org Delete
reject_rhsbl_recipient ae_al_vn.geobl.spameatingmonkey.net
reject_unauth_destination
# Sending SMTP
relayhost = [ssrs.reachmail.net]
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/relay-credentials
smtp_tls_security_level = encrypt
smtp_sasl_tls_security_options = noanonymous
smtp_sasl_security_options =
# Debugging
debug_peer_level = 4
debug_peer_list = 127.0.0.1, 192.168.0.0/24, 46.126.224.229, yahoo.com, 52.124.3.12, 65.55.111.145
master.cf：
submission inet n - n - - smtpd
-v
-o smtpd_tls_security_level=encrypt
-o smtpd_sasl_auth_enable=yes
-o smtpd_sasl_type=dovecot
-o smtpd_sasl_path=inet:127.0.0.1:1111
-o smtpd_sasl_security_options=noanonymous
-o smtpd_sasl_local_domain=$myhostname
-o smtpd_client_restrictions=permit_sasl_authenticated,reject
-o smtpd_sender_login_maps=hash:/etc/postfix/login-domains
smtp inet n - n - - smtpd -v
smtp unix - - n - - smtp
relay unix - - n - - smtp
-o smtp_helo_timeout=20
-o smtp_connect_timeout=20
pickup fifo n - n 60 1 pickup
cleanup unix n - n - 0 cleanup
qmgr fifo n - n 300 1 qmgr
rewrite unix - - n - - trivial-rewrite
bounce unix - - n - 0 bounce
defer unix - - n - 0 bounce
flush unix n - n 1000? 0 flush
proxymap unix - - n - - proxymap
retry unix - - y - - error
showq unix n - n - - showq
error unix - - n - - error
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - n - - lmtp -v
tlsmgr unix - - y 300 1 tlsmgr
anvil unix - - n - 1 anvil
maildrop unix - n n - - pipe
flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}