Commercial Smtp Server

China Internet Association 2006 the first China Anti-Spam survey showed that from November 2005 to March 2006, the proportion of spam received by Chinese Internet users rose from 61.53% to 63.97%, up 2.44%, well above the last survey of 0.9%. Chinese netizens have received an average of 19.33 spam messages a week, up 2.08 from 17.25 a week in October 2005. Junk mail is getting worse! In the face of these disgusting spam, we lose more than just ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall one. How important is the message? 　　China's first e-mail was sent to the University of Karlsruhe in Germany by the "Father of the Internet," Vina Zoen and Wang Yunfeng on September 20, 1987, at the Institute of Computer Technology in Beijing. Up to 2013, according to the report of the Internet data research institutions, individual mailbox effective user size between 200 million-300 million, about 90% through the PC-side login mailbox, at least 50% of the mailbox ...

How important is the message? 　　China's first e-mail was sent to the University of Karlsruhe in Germany by the "Father of the Internet," Vina Zoen and Wang Yunfeng on September 20, 1987, at the Institute of Computer Technology in Beijing. Up to 2013, according to the report of the Internet data research organizations, individual mailbox effective user size between 200 million-300 million, 90% or so through the PC-side login mailbox, at least 50% of the mailbox users, used a mobile phone mailbox, less than 10% users used to use mobile phone landing mail ...

For small and medium-sized enterprises, there are many free and open source router and firewall solutions, even as a business choice. 　　Many of these products offer LAN services, such as VPN services, hotspot gateways, and the use of mandatory network portals to share wireless networks. Here, the editors find open source and free router projects that are suitable for businesses that include small businesses, midsize, and even the size of Cisco and Juniper.  Gossip Less, we look at these seven open source and free Linux network operating system. &nb ...

With the popularization of Internet applications, more and more people start to use the services provided on the Internet. However, most of the Web sites currently providing services use user names and passwords to identify users, which makes it necessary for users to enter their username and password frequently. Obviously this kind of authentication has the disadvantage: with the increase of user network identity, users need to remember more than one group of user names, passwords, which give users the burden of memory; another frequent input user name, password, will correspondingly increase the user password password is cracked probability. In order to change this situation, single sign-on technology emerged ...

e-mail (electronic mail, referred to as e-mail, Logo: @, also known as "email") also known as e-mail, electronic mail, it is-a kind of electronic means of providing information exchange of communication methods. Is the most widely used Internet service: Through the network of e-mail systems, users can be at very low prices (no matter where they are sent, they only need to pay phone fees and network fees), in a very fast way (within a few seconds can be sent to any of the world you specify the destination), With Internet users in any corner of the world ...

I. Mail is the primary breakthrough in cyber attacks E-mail security protection experience summary. As the main communication tool of the enterprise (especially the traditional and large enterprises), the mail is increasingly critical. At the same time, security issues are increasingly prominent. Due to the lack of authentication and security authentication mechanisms, e-mail protocols are inherently anti-tracing and cost-effective. Mail has become the main approach to telecom fraud and ransomware attacks. At present, the public generally believes that email security is phishing. In fact, the field of email security is very wide. This article is based on the knowledge of work and shares with you in many dimensions. ...

Maillist Controller (Mailing list controller) sends mail messages in the same format as your e-mail client. The format of information, the encoding of information, or the mailing process itself is not a problem. Most of the time, the content of the information is considered to be http://www.aliyun.com/zixun/aggregation/12915.html "> spam" reasons. Check your message content and Subject: 1, avoid typical spam phrases, such as: Business offer ...

People often ask me if they really should believe in Oss. In other words, the worry is: is the OSS the angel that brings us a good life, or is it a demon that destroys our lives? As a matter of fact, this problem has been raised since the beginning of Linux and various BSD (Berkeley Software distribution) operating systems. In reality, any organization or enterprise is very cautious in planning to use a free software that is not from a reputable merchant. As a routine, generally ...

Today, open source firewalls are numerous. 　　This article will cover 10 of the most practical open source firewalls that fit your business needs. 1. Iptables Iptables/netfilter is the most popular command line based on firewalls. It is the safe line of defense for Linux servers. Many system administrators use it to fine-tune the server. The function is to filter packets from the network stack in the kernel, including: listing the contents of the packet filtering rule set, and executing fast because it only checks the header of the packet, and the administrator can ...