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efav4和exchange安裝開源垃圾郵件網(wǎng)關(guān)在Ce

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進(jìn)入到安裝選 項(xiàng) 按tab鍵

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

添加 inst.ks=http://dl.efa-project.org/build/4/kstesting.cfg

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

按Enter 自動(dòng)安裝,網(wǎng)絡(luò)安裝 大概需要下載500MB左右的文件 需要等60分鐘左右

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

安裝完成

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

安裝配置

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

修改網(wǎng)卡

vi /etc/sysconfig/network-scripts/ifcfg-ens160

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

你不會(huì)在eFa上使用智能主機(jī),而是建立eFa作為出站中繼。

EFA配置選項(xiàng)7)郵件設(shè)置 - >選項(xiàng)1)出站郵件中繼

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

EFA配置選項(xiàng)7“出站智能主機(jī)”(7,2)“智能主機(jī):已禁用”,因?yàn)槟M鸈FA直接發(fā)送郵件

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

EFA配置選項(xiàng)7“傳輸設(shè)置” “(7,4)as”domain.com“”<您的交換服務(wù)器的內(nèi)部IP地址“

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

EFA配置選項(xiàng)8“垃圾郵件設(shè)置” “(8,1)非垃圾郵件設(shè)置

垃圾郵件設(shè)置>非垃圾郵件設(shè)置

  • 禁用存儲(chǔ)非垃圾郵件:否(這允許培訓(xùn)誤報(bào)以及最近的存檔/恢復(fù))。

禁用非垃圾郵件簽名:是(此設(shè)置取決于您是否需要EFA水印,我禁用它,因?yàn)槲覀儯↖T管理員)管理垃圾郵件而不是用戶。此外,我們的大多數(shù)(99%)用戶都是外部的將全民教育暴露在互聯(lián)網(wǎng)上。)

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

  • EFA配置選項(xiàng)9“垃圾郵件設(shè)置” “(8,2)圾郵件設(shè)置
  • 推薦:垃圾郵件設(shè)置>垃圾郵件設(shè)置。啟用垃圾郵件傳遞:是的。(這與后面提到的其他規(guī)則相結(jié)合,允許可疑垃圾郵件進(jìn)入用戶的垃圾郵件文件夾。

EFA V4與Active Directory集成

請(qǐng)安裝 php-ldap (rpm -qa|grep php)

yum install lrzsz -y

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

vi /var/www/html/mailscanner/conf.php(編輯后重啟系統(tǒng) 需要開啟apache https)

// LDAP settings for authentication

define('USE_LDAP', true);

define('LDAP_SSL', false);

define('LDAP_HOST', '192.168.32.83');

define('LDAP_PORT', '389');

define('LDAP_DN', 'OU=email,DC=test,DC=xyz');

define('LDAP_USER', 'test@test.xyz');

define('LDAP_PASS', '123456');

define('LDAP_SITE', 'Default-First-Site-Name');

define('LDAP_FILTER', 'proxyAddresses=smtp:%s', 'mail=%s');

define('LDAP_PROTOCOL_VERSION', 3);

define('LDAP_EMAIL_FIELD', 'mail');

define('LDAP_USERNAME_FIELD', 'cn');

define('LDAP_MS_AD_COMPATIBILITY', true);

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

vi /etc/hosts (添加exchange服務(wù)器IP和域名)

192.168.32.83 mail.test.xyz

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

設(shè)置垃圾郵件不修改主題

vi /etc/MailScanner/MailScanner.conf

Spam Subject Text =

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

/etc/init.d/spamassassin restart

exchange 設(shè)置垃圾郵件過(guò)濾

添加規(guī)則

New-TransportRule -Name "EFA to Junk Folder" -HeaderMatchesMessageHeader "X-Spam-Status" -HeaderMatchesPatterns "Yes" -SetSCL 9 -Comments "This rule moves spam messages from the EFA filter to the users junk mail folder."

步驟 2:使用命令行管理程序重新啟動(dòng) Microsoft Exchange 傳輸服務(wù)

運(yùn)行命令:Restart-Service MSExchangeTransport

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

重啟服務(wù)

service sqlgrey restart

service spamassassin restart

service webmin restart

service clamd restart

service MailScanner restart

service postfix restart

MailScanner --lint

spamassassin -D --lint (重新加載規(guī)則)

安裝fail2ban? 自動(dòng)攔截郵件***

yum install fail2ban –y

# vi /etc/fail2ban/jail.conf

最后一行添加如下:

[postfix]

enabled = true

filter = postfix

action = iptables-allports[name=postfix, port=25, protocol=tcp]

ignoreip = 127.0.0.1

logpath = /var/log/maillog

bantime = 6048000

findtime = 120

maxretry = 3

[postfix-ddos]

enabled = true

filter = postfix-ddos

action = iptables-allports[name=MAIL, protocol=all]

logpath = /var/log/maillog

maxretry = 2

findtime = 86400

bantime = 604800

/etc/fail2ban/filter.d中編輯或新加文件,文件名一定要跟上一步j(luò)ail.conf配置文件中的“filter=”對(duì)應(yīng)

POSTFIX

vi /etc/fail2ban/filter.d/postfix.conf

# Fail2Ban configuration file

#

# Author: Cyril Jaquier

#

# $Revision: 510 $

#

[Definition]

# Option: failregex

# Notes.: regex to match the password failures messages in the logfile. The

# host must be matched by a group named "host". The tag "" can

# be used for standard IP/hostname matching and is only an alias for

# (?:::f{4,6}:)?(?P\S+)

# Values: TEXT

#

failregex = warning: (.*)\[\]: SASL LOGIN authentication failed:

reject: RCPT from (.*)\[\]: 550 5.1.1

reject: RCPT from (.*)\[\]: 450 4.7.1

reject: RCPT from (.*)\[\]: 554 5.7.1

reject: RCPT from (.*)\[\]: 554 5.5.2

reject: RCPT from (.*)\[\]: 504 5.5.2

reject: RCPT from (.*)\[\]: 450

reject: RCPT from (.*)\[\]: 554

reject: RCPT from (.*)\[\]: 554 5.7.1

# Option: ignoreregex

# Notes.: regex to ignore. If this regex matches, the line is ignored.

# Values: TEXT

#

ignoreregex =

--------------------------------------------------------------------------------------------------------------

vi /etc/fail2ban/filter.d/postfix-ddos.conf

# Fail2Ban filter for Postfix DDOS attacks # [INCLUDES] before = common.conf [Definition] _daemon = postfix/(submission/)?smtp(d|s) failregex = ^%(__prefix_line)sNOQUEUE: reject: RCPT from \S+\[\]: 450 4\.7\.1 Client host rejected: cannot find your hostname, (\[\S*\]); from=<\S*> to=<\S+> proto=ESMTP helo=<\S*>$ ^%(__prefix_line)sNOQUEUE: reject: RCPT from \S+\[\]: 450 4\.7\.1 : Helo command rejected: Host not found; from=<> to=<> proto=ESMTP helo= *$ ^%(__prefix_line)sNOQUEUE: reject: RCPT from \S+\[\]: 454 4\.7\.1 Service unavailable; Client host \[\S+\] blocked using .* from=<\S*> to=<\S+> proto=ESMTP helo=<\S*>$ ^%(__prefix_line)sNOQUEUE: reject: VRFY from \S+\[\]: 550 5\.1\.1 .*$ ^%(__prefix_line)sNOQUEUE: reject: RCPT from \S+\[\]: 504 5\.5\.2 .*$ ^%(__prefix_line)sNOQUEUE: reject: RCPT from \S+\[\]: 554 5\.7\.1 .*$ ^%(__prefix_line)simproper command pipelining after \S+ from [^[]*\[\]:?$ ^%(__prefix_line)slost connection after \S+ from [^[]*\[\]:?$ ^%(__prefix_line)swarning: [-._\w]+\[\]: SASL ((?i)LOGIN|PLAIN|(?:CRAM|DIGEST)-MD5) authentication failed(: [ A-Za-z0-9+/:]*={0,2})?\s*$ ^%(__prefix_line)sstatistics: max connection rate \S+ for \(smtp:\):?$ ignoreregex = lost connection after .* from unknown\[unknown\]$ authentication failed: Connection lost to authentication server$ statistics: max connection rate .* for \(smtp:unknown\).*$ [Init] journalmatch = _SYSTEMD_UNIT=postfix.service # Author: kn007

啟動(dòng)fail2ban

systemctl start fail2ban

查看攔截fail2ban

fail2ban-client status postfix

CentOS7版本后防火墻默認(rèn)使用firewalld

systemctl start firewalld

yum install -y iptables-services

service iptables start

vi /etc/sysconfig/iptables

-A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT

-A INPUT -p tcp -m state --state NEW -m tcp --dport 587 -j ACCEPT

-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT

-A INPUT -p tcp -m state --state NEW -m tcp --dport 25 -j ACCEPT

-A INPUT -p tcp -m state --state NEW -m tcp --dport 10000 -j ACCEPT

-A INPUT -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT

測(cè)試郵件內(nèi)容過(guò)濾

發(fā)送測(cè)試郵件的文本內(nèi)容如下:

XJS*C4JDBQADN1.NSBN3*2IDNEN*GTUBE-STANDARD-ANTI-UBE-TEST-EMAIL*C.34X

測(cè)試反病毒郵件

發(fā)送測(cè)試郵件的文本內(nèi)容如下:

X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*

關(guān)閉MailScanner 對(duì)郵件內(nèi)容掃描簽名

vi /etc/MailScanner/MailScanner.conf

Dangerous Content Scanning = no

對(duì)發(fā)送的郵件進(jìn)行簽名

vi /etc/Mailscanner/Mailscanner.conf

Sign Clean Messages = no

這個(gè)選項(xiàng)默認(rèn)是打開的,表示MailScanner對(duì)郵件內(nèi)容進(jìn)行掃描,但是過(guò)于嚴(yán)格了,會(huì)把很多html郵件濾掉,所以我把它關(guān)了。

systemctl restart mailscanner.service

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

Virus Scanners = clamd

設(shè)置殺毒軟件,如果使用clamav,則Virus Scanners = clamav。

vi /etc/MailScanner/MailScanner.conf

在2242行

Required SpamAssassin Score = 4

(高評(píng)分垃圾郵件投遞)

High Scoring Spam Actions = deliver header "X-Spam-Status:Yes"

efa v4 和exchange 安裝開源垃圾郵件網(wǎng)關(guān)在Ce

systemctl restart mailscanner.service


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