best anti spam software

Denial of Service Attack) firewalls, spam firewalls, and so on. In short, the anti-spam Firewall is a dedicated firewall for anti-spam. The firewall has a common feature in terms of working methods: to analyze the data packets entering and exiting the firewall, determine wh

Editor's note: Machine devices naturally have unsolved problems. Security products are used to enhance network security performance and prevent internal/external attacks. There is a common problem in security products-false positives, such as false positives and false positives of anti-virus software. In fact, there is no absolute security. Security and application are a contradiction. Security Enhancement

received. The whitelist is the main method to filter received emails. If someone in the whitelist sends you an email, the email enters your inbox. If the sender is not in this list, the email will be questioned or blocked to another specific email address. The above filter revision process is not required for whitelist products. This type of anti-spam products determine which emails are allowed and which e

using the features provided by the discuz background for related settings. The reason why the plug-in installation method is not recommended is that you have to pay a certain amount of fee, and even the free effect is not that ideal. Therefore, the best and most environmentally friendly method is to modify some default values of discuz. Follow the instructions below.1. Modify the default registration addressSet the mod value of the site registration address. The default value is "register&

The ads on the market in the mail system are very fancy, almost all businesses are claiming that their mail system products, anti-spam anti-virus can achieve a ratio of 98%, in the end is true? Some it friends doing system integration when doing business selection, the result of testing this anti-

The mail system is an important part of Linux network applications. The complete mail system includes the underlying operating system, the Mail sending proxy MTA, the mail distribution proxy MDA, and the Mail User proxy MUA. Currently, the main danger facing the Linux email system is spam, Linux virus, and DoS attacks. This article focuses on Linux Emails The mail system is an important part of Linux network applications. The complete mail system incl

The mail system is an important part of Linux network applications. The complete mail system includes the underlying operating system, the mail sending proxy MTA, the mail distribution proxy MDA, and The Mail User proxy MUA. Currently, the main danger facing the Linux email system is spam, Linux virus, and DoS attacks. This article focuses on Anti-Spam policies f

1. Modify the main. cf configuration file. The red part is the part to be commented out. Vim/etc/Postfix/Main. cf # Smtpd related config Smtpd_recipient_restrictions = Permit_mynetworks, Permit_sasl_authenticated, Reject_non_fqdn_hostname, Reject_non_fqdn_sender, Reject_non_fqdn_recipient, Reject_unauth_destination, Reject_unauth_pipelining, Reject_invalid_hostname # # Check_policy_service Inet: 127.0.0.1: 10030 # Header_checks = Regexp:/etc/Postfix/dspam_header_checks # Content-Filter # Content

　　 Outlook Express and Foxmail use LOGIN authentication, While Netscape Mail uses PLAIN authentication. 　　 　　 Client settings 　　 In the Outlook Express main window, click the "tools (T)" menu and select "Account (A)" from the drop-down menu )". In the "Internet account" window, select an email account and click "properties (P )". In the displayed account "properties" window (SEE), select the "servers" tab and select "my servers require authentication (V )". Click the "Settings (E)" button next

account "properties" window (see figure 3), select the "servers" tab and select "my servers require authentication (V )". Click the "Settings (E)" button next to it. In the "external mail server" window, select "use the same settings (U) as the receiving mail server )". After you press "OK", the settings are complete. Figure 1: Outlook Express SMTP Authentication Settings (4) use special tools to prevent spam In addition to sendmail's built-in funct

filter is now an integral part of any e-mail infrastructure. The spam filter is divided into three categories, software, devices, and management services. Many solutions bundle Anti-Virus, content filtering, messaging firewalls, and other functions onto a single platform. Administrators can "adjust" filters based on enterprise policies and tolerance of false pos