Open Source Mail Relay

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Private collection: Seven open source Linux Network Service System

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 ...

Anti-Spam Alliance blacklist Service

Real-time mail blacklist service, as an effective service against the spread of spam, has been widely used abroad. Many nongovernmental or official anti-spam organizations have launched their real-time blacklist for users to choose from. Real-time blacklist is based on the analysis of artificial or machine to determine whether an IP address is a spam source, so that it blacklisted. The user's mail server can query the blacklist to decide whether to accept messages from that address. In determining whether it is a spam source, most of the spam is sent by this address ...

"Ask the Bottom" Xu Hanbin: The Web system massively concurrent--electricity merchant second kills with buys up

"Guide" Xu Hanbin has been in Alibaba and Tencent engaged in more than 4 years of technical research and development work, responsible for the daily request over billion web system upgrades and refactoring, at present in Xiaoman technology entrepreneurship, engaged in SaaS service technology construction. The electric dealer's second kill and buys, to us, is not a strange thing. However, from a technical standpoint, this is a great test for the web system. When a web system receives tens or even more requests in a second, system optimization and stability are critical. This time we will focus on the second kill and snapping of the technology implementation and ...

Hardware vendor reverse attack is pseudo problem Samsung is aiming to raise chips

"The hardware manufacturer's reverse attack is doomed to be reactive and return," the article Tencent Technology is invited to participate in its "science and Technology Arena" section of the article, which is a PK content planning, throw a topic, and then find two diametrically opposed views of the author, the respective chambers, and then let the reader to vote on the wrong. At that time Bichauhi as the "hardware manufacturers can reverse platform manufacturers," the author, also has a lot of support articles. Tiger Sniff also has low-key bystanders and Wu net not Huan of different opinions, two thought a lot of I did not consider the content, I read after also feel benefit, also borrow ...

90 minutes, 8000 cartons, the antecedents of the book Bag

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall sells the thought book bag This thing is past one months. As a person who has stretched his foot from the book industry to try the water temperature on the Internet, I know that this time has different concepts for different people. On the Internet, this story has passed, and in the industry, it is at least at present irrelevant to most people.   The information, news and stories on the internet are really like the passing of the sun, and the line is still on the squares, and the line has become the past. So, I think, maybe this is something that can be ...

How to survive the call center of electric Business

The call center in the e-commerce industry is undoubtedly the basic configuration. But in the end is all-inclusive or small and fine, enterprises in the choice of call center should be placed in the marketing system where? What is the proportion of operating costs?   Determines the profits of enterprises and even the development of space.   Electric business enterprises must have a clear understanding of their own, on the one hand to build with their own needs and scale commensurate with the call center, on the other hand, this call center should be able to meet the existing needs, but also has a considerable expansion and expansion capabilities to cope with the changing market environment. East Technology with ...

Taking stock of five major fresh electric dealers abroad

The discussion about fresh electric power supplier or fresh O2O is very hot recently, and all kinds of fresh and small websites are established respectively. Product Network before the release of the "fresh O2O, who can do the restaurant" a article, that the restaurant do fresh O2O have the advantages of sourcing and experience, and fresh O2O feasible path analysis. Although the industry has high expectations for fresh electricity producers and fresh O2O, it is undeniable that there are very few successful cases at this stage. Product advice Next will be released some relevant articles to explore the fresh electricity business and fresh O2O, the collation of a few foreign do a good health fresh electricity ...

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