我在我的服务器上运行centOs，我使用postfix发送邮件，但是前一段时间postfix已经开始popup每封邮件，我尝试发送给这个错误：
Jun 9 12:06:49 IrideLamp1 postfix/pickup[20293]: 29475A24DC: uid=48 from=<apache> Jun 9 12:06:49 IrideLamp1 postfix/cleanup[21656]: 29475A24DC: message-id=<[email protected]> Jun 9 12:06:49 IrideLamp1 postfix/qmgr[20294]: 29475A24DC: from=<[email protected]>, size=765, nrcpt=1 (queue active) Jun 9 12:06:49 IrideLamp1 postfix/smtp[21658]: 29475A24DC: to=<[email protected]>, relay=mx.irideprogetti.it[62.149.128.160]:25, delay=0.23, delays=0.05/0.01/0.06/0.11, dsn=5.1.0, status=bounced (host mx.irideprogetti.it[62.149.128.160] said: 550 5.1.0 4a6w1t00p1oDpDh01a6wKF dominio non valido / invalid domain (in reply to MAIL FROM command)) Jun 9 12:06:49 IrideLamp1 postfix/cleanup[21656]: 63DAAA24DF: message-id=<[email protected]> Jun 9 12:06:49 IrideLamp1 postfix/qmgr[20294]: 63DAAA24DF: from=<>, size=2845, nrcpt=1 (queue active) Jun 9 12:06:49 IrideLamp1 postfix/bounce[21660]: 29475A24DC: sender non-delivery notification: 63DAAA24DF Jun 9 12:06:49 IrideLamp1 postfix/qmgr[20294]: 29475A24DC: removed Jun 9 12:06:49 IrideLamp1 postfix/local[21661]: 63DAAA24DF: to=<[email protected]>, orig_to=<[email protected]>, relay=local, delay=0.03, delays=0.01/0.01/0/0.02, dsn=2.0.0, status=sent (delivered to mailbox) Jun 9 12:06:49 IrideLamp1 postfix/qmgr[20294]: 63DAAA24DF: removed You have new mail in /var/spool/mail/root 我怀疑这是一个DNS / MXlogging问题，因为maillog说，但我不知道如何解决这个问题。 提前致谢
更新：这是我的main.cf后缀文件：
soft_bounce = no command_directory = /usr/sbin daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix #default_privs = nobody #myhostname = host.domain.tld #myhostname = virtual.domain.tld #mydomain = #myorigin = $myhostname #myorigin = $mydomain #inet_interfaces = $myhostname #inet_interfaces = $myhostname, localhost #inet_interfaces = localhost inet_protocols = all #proxy_interfaces = #proxy_interfaces = 1.2.3.4 #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain, # mail.$mydomain, www.$mydomain, ftp.$mydomain unknown_local_recipient_reject_code = 550 #mynetworks_style = class #mynetworks_style = subnet mynetworks_style = host #mynetworks = 168.100.189.0/28, 127.0.0.0/8 #mynetworks = $config_directory/mynetworks #mynetworks = hash:/etc/postfix/network_table #relay_domains = $mydestination #relayhost = $mydomain #relayhost = [gateway.my.domain] #relayhost = [mailserver.isp.tld] #relayhost = uucphost #relayhost = [an.ip.add.ress] #relay_recipient_maps = hash:/etc/postfix/relay_recipients #in_flow_delay = 1s #alias_maps = dbm:/etc/aliases alias_maps = hash:/etc/aliases #alias_maps = hash:/etc/aliases, nis:mail.aliases #alias_maps = netinfo:/aliases #alias_database = dbm:/etc/aliases #alias_database = dbm:/etc/mail/aliases alias_database = hash:/etc/aliases #alias_database = hash:/etc/aliases, hash:/opt/majordomo/aliases recipient_delimiter = + #home_mailbox = Mailbox #home_mailbox = Maildir/ #mail_spool_directory = /var/mail #mail_spool_directory = /var/spool/mail #mailbox_command = /some/where/procmail #mailbox_command = /some/where/procmail -a "$EXTENSION" #mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp local_destination_recipient_limit = 300 local_destination_concurrency_limit = 5 #mailbox_transport = cyrus #fallback_transport = lmtp:unix:/var/lib/imap/socket/lmtp #fallback_transport = #luser_relay = [email protected] #luser_relay = [email protected] #luser_relay = admin+$local header_checks = regexp:/etc/postfix/header_checks #fast_flush_domains = $relay_domains smtpd_banner = $myhostname ESMTP $mail_name #smtpd_banner = $myhostname ESMTP $mail_name ($mail_version) #local_destination_concurrency_limit = 2 #default_destination_concurrency_limit = 20 debug_peer_level = 2 #debug_peer_list = 127.0.0.1 #debug_peer_list = some.domain debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 sendmail_path = /usr/sbin/sendmail.postfix newaliases_path = /usr/bin/newaliases.postfix mailq_path = /usr/bin/mailq.postfix setgid_group = postdrop html_directory = no manpage_directory = /usr/share/man sample_directory = /usr/share/doc/postfix-2.6.6/samples readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES smtp_sasl_security_options = noanonymous smtp_sasl_local_domain = broken_sasl_auth_clients = yes smtp_helo_required = yes smtp_transport = relay