外网发来的邮件被识别为垃圾邮件
如题。不光是个别外网邮箱。是所有外网发来的邮件都被当成垃圾邮件。这是我的maillog日志:Jul 28 11:21:37 mail postfix/smtpd[4005]: connect from m15-37.126.com[220.181.15.37]
Jul 28 11:21:37 mail postfix/smtpd[4005]: 84523CD436: client=m15-37.126.com[220.181.15.37]
Jul 28 11:21:37 mail postfix/cleanup[4010]: 84523CD436: message-id=<[email]c41063.11789.12a18744482.Coremail.xxx@126.com[/email]>
Jul 28 11:21:37 mail postfix/qmgr[3314]: 84523CD436: from=<[email]xxx@126.com[/email]>, size=2079, nrcpt=1 (queue active)
Jul 28 11:21:37 mail postfix/smtpd[4005]: disconnect from m15-37.126.com[220.181.15.37]
Jul 28 11:21:38 mail amavis[3271]: (03271-08) Blocked SPAM, [220.181.15.37] [218.241.138.229] <[email]xxx@126.com[/email]> -> <[email]yyy@adc.cc[/email]>, quarantine: spam-deRFZeKBZdez.gz, Message-ID: <[email]c41063.11789.12a18744482.Coremail.xxx@126.com[/email]>, mail_id: deRFZeKBZdez, Hits: 12.006, size: 2079, 590 ms
Jul 28 11:21:38 mail postfix/smtp[4012]: 84523CD436: to=<[email]yyy@adc.cc[/email]>, relay=127.0.0.1[127.0.0.1]:10024, delay=0.69, delays=0.08/0/0.02/0.59, dsn=2.5.0, status=sent (250 2.5.0 Ok, id=03271-08, DISCARD(bounce.suppressed))
Jul 28 11:21:38 mail postfix/qmgr[3314]: 84523CD436: removed
----------------------------------------postconf的内容-------------------------------------------------------
alias_maps = hash:/etc/aliases
broken_sasl_auth_clients = yes
command_directory = /usr/local/postfix/sbin
config_directory = /etc/postfix
content_filter = amavisfeed:[127.0.0.1]:10024
daemon_directory = /usr/local/postfix/libexec
data_directory = /var/lib/postfix
debug_peer_level = 2
html_directory = no
inet_interfaces = all
mail_owner = postfix
mailq_path = /usr/bin/mailq
manpage_directory = /usr/local/man
message_size_limit = 20971520
mydomain = adccc
myhostname = mail.adc.cc
mynetworks = 127.0.0.1
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases
queue_directory = /var/spool/postfix
readme_directory = no
sample_directory = /etc/postfix
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtpd_banner = Welcome to our $myhostname ESMTP,Warning: Version not Available!############
smtpd_recipient_restrictions = permit_mynetworks,permit_sasl_authenticated,reject_invalid_hostname,reject_non_fqdn_hostname,reject_unknown_sender_domain,reject_non_fqdn_sender,reject_non_fqdn_recipient,reject_unknown_recipient_domain,reject_unauth_pipelining,reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_security_options = noanonymous
unknown_local_recipient_reject_code = 550
virtual_alias_domains =
virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf
virtual_gid_maps = static:1001
virtual_mailbox_base = /var/mailbox
virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_domains_maps.cf
virtual_mailbox_limit = 20971520
virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf
virtual_transport = maildrop
virtual_uid_maps = static:1001
-----------------------------------------------------------------master.cf内关于反垃圾邮件的内容---------------------------------------------------
amavisfeed unix - - n - 2 smtp
-o smtp_data_done_timeout=1200
-o smtp_send_xforward_command=yes
-o disable_dns_lookups=yes
-o max_use=20
#
127.0.0.1:10025 inet n - n - - smtpd
-o content_filter=
-o smtpd_delay_reject=no
-o smtpd_client_restrictions=permit_mynetworks,reject
-o smtpd_helo_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_recipient_restrictions=permit_mynetworks,reject
-o smtpd_data_restrictions=reject_unauth_pipelining
-o smtpd_end_of_data_restrictions=
-o smtpd_restriction_classes=
-o mynetworks=127.0.0.0/8,192.168.10.0/24
-o smtpd_error_sleep_time=0
-o smtpd_soft_error_limit=1001
-o smtpd_hard_error_limit=1000
-o smtpd_client_connection_count_limit=0
-o smtpd_client_connection_rate_limit=0
-o receive_override_options=no_header_body_checks,no_unknown_recipient_checks,no_milters
-o local_header_rewrite_clients=
我查了资料把amavisd.conf当中的如下参数做调整就可以了，但不知道把值调的这么高会不会对真正的垃圾邮件起作用，还希望老大们指点一下啊！
$sa_tag_level_deflt = 6.0;
$sa_tag2_level_deflt = 13.0;
$sa_kill_level_deflt = 13.0；
其中最后一个参数我设置成12.0以前的值都接收不到邮件，只能设置的大些。第二个参数我设置成12.0以前的值会被标记为SPAM邮件。
大大们能不能解释一下些数值的意义啊？
[[i] 本帖最后由 qiufengy 于 2010-7-30 10:18 编辑 [/i]] 要看下邮件头
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