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
What open-source anti-spam software can be run in linux? -- Linux general technology-Linux technology and application information. For details, refer to the following section. What open-source anti-spam software can be run in linu
following:Smtp-amavis Unix--n-2 SMTP- o lmtp_data_done_timeout=1200- o lmtp_send_xforward_command=yes- o disable_dns_lookups=yes127.0.0.1:10025 inet n-n--smtpd- o content_filter=- 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 mynetworks=127.0.0.0/8Modify the vim/etc/postfix/main.cf filecontent_filter=smtp-amavis:[127.0.0
Test whether your anti-virus software is spam. (Please attach your anti-virus software for your reference !)
Copy the following code to notepad and save it as a text file. If there is a reaction, you can feel at ease... Note that this virus code will never hurt the machine.
example, the Sobig worm is installed and can be used to support mail forwarding agents. With the evolution of spam, the use of malicious code or monitoring software to support spam has increased significantly. December 2003 31, a Brazilian hacker organization sent spam messages containing malicious JavaScript scripts
, or cheaters can not control the sort basis, that is, to the site to find the basis for sorting. So, there was a super-chain analysis, appeared PageRank. The principle of the super-chain analysis is to look at the same kind of links between Web pages as an important basis, and then, according to the weight of each website and so on to comprehensive analysis. In this way, Gov (government website) and Edu (education website) are usually given higher rankings, and the hyperlinks from Gov and Edu a
At the beginning of the message will be changed to the song forum, solve the message this many problems, there is interactivity, enhance the stickiness.But then encountered a lot of problems, especially the problem of garbage paste has plagued us for a long time, there has been a lot of people with the forum mass release of garbage paste, originally only thousands of posts, one night was brushed 50多万条 garbage post.Later did a lot of precautions, such as installed
cheaters can not control the sort basis, that is, outside the site to find the basis for sorting. Then, there is a PageRank analysis, there is a large. The principle of the hyper-chain analysis is to look at the similar links between the Web pages as an important basis, and then, according to the weight of each site to comprehensive analysis. In this way, gov (government websites) and Edu (education websites) are often given higher rankings, and the hyperlinks from Gov and Edu are also of highe
performance, or white hat SEO technology to improve a lot of help.
White hat SEO is to do a good job of the site's user experience, there are two major aspects, one is for search engines, is to make search results more high-quality, in line with user needs, the second is for users, so that users through search to find the information they want to know. And because most Web2.0 station system exists loophole, conquer technology cost is low, and mass 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
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.