Hello, I am having a problem with Postfix: if someone tries to send email, to e.g. 5 recipients and one of the emails is inaccessible (reason is not important), all 5 emails are returned as undelivered. main.cf: Code: alias_database = hash:/etc/postfix/aliases alias_maps = hash:/etc/postfix/aliases anvil_rate_time_unit = 30m body_checks = regexp:/etc/postfix/body_checks body_checks_size_limit = 31200 bounce_queue_lifetime = 2d command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix default_privs = nobody delay_warning_time = 24h html_directory = no in_flow_delay = 1s inet_interfaces = all local_recipient_maps = hash:/etc/postfix/aliases, proxy:pgsql:/etc/postfix/relay.cf mail_owner = postfix mail_spool_directory = /home/m mailq_path = /usr/bin/mailq manpage_directory = /usr/local/man maximal_queue_lifetime = 2d message_size_limit = 50000000 milter_default_action = tempfail milter_protocol = 2 mydestination = $myhostname, localhost.$mydomain, localhost, hash:/etc/postfix/deniedLocalDomain mydomain = ### myhostname = ### mynetworks = ### myorigin = $myhostname newaliases_path = /usr/bin/newaliases parent_domain_matches_subdomains = proxy_read_maps = $local_recipient_maps $smtpd_sender_login_maps $transport_maps $virtual_maps $virtual_mailbox_maps queue_directory = /var/spool/postfix readme_directory = no relay_domains = $mydestination sample_directory = /etc/postfix sendmail_path = /usr/sbin/sendmail setgid_group = postdrop smtp_sasl_mechanism_filter = plain, login smtpd_banner = 01.$myhostname ESMTP smtpd_client_event_limit_exceptions = ### smtpd_client_new_tls_session_rate_limit = 100 smtpd_client_recipient_rate_limit = 1000 smtpd_data_restrictions = reject_unauth_pipelining smtpd_discard_ehlo_keywords = silent-discard, dsn smtpd_hard_error_limit = 2 smtpd_helo_required = yes smtpd_milters = unix:/var/socks/mimedefang.sock smtpd_recipient_limit = 100 smtpd_recipient_restrictions = reject_unauth_pipelining, permit_mynetworks, reject_non_fqdn_recipient, permit_sasl_authenticated, check_sender_access hash:/etc/postfix/deniedLocalDomain, reject_invalid_helo_hostname, reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sender_login_maps = proxy:pgsql:/etc/postfix/sender.cf smtpd_sender_restrictions = permit_mynetworks, reject_unknown_sender_domain, reject_non_fqdn_sender, reject_authenticated_sender_login_mismatch, permit_sasl_authenticated, check_sender_access hash:/etc/postfix/deniedLocalDomain, reject_unknown_address, reject_unauth_destination smtpd_timeout = 40s smtpd_tls_cert_file = /etc/postfix/cert2/###.crt smtpd_tls_key_file = /etc/postfix/cert2/###.key smtpd_tls_loglevel = 1 smtpd_tls_received_header = no smtpd_tls_security_level = may smtpd_tls_session_cache_database = btree:/var/lib/postfix/smtpd_scache smtpd_tls_session_cache_timeout = 3600s soft_bounce = no strict_rfc821_envelopes = yes tls_random_source = dev:/dev/urandom transport_maps = proxy:pgsql:/etc/postfix/transport.cf unknown_local_recipient_reject_code = 550 virtual_gid_maps = static:101 virtual_mailbox_base = /home/m virtual_mailbox_maps = proxy:pgsql:/etc/postfix/aliases.cf virtual_uid_maps = static:100 Can you help me? Kind regards,