spf authentication

What is SPF? The SPF here is not a sunscreen index, but the sender Policy Framework. Translation is the originator of the policy framework, relatively awkward, usually directly referred to as SPF. SPF is a DNS-related technology whose contents are

SPF and Dkim settings are for the domain name mailbox (public mail will not give you permission to modify DNS), the main role is to prevent mailbox forgery improve the message creditFirst add the domain name to Amazon and verifyAfter adding, the

0x00 backgroundEmail spoofing technology can be used for phishing attacks. That is, the administrator or it o & M department is forged to send emails to obtain trust so that the other party can open the accompanying Trojan file or reply to the

The link status update (LSU) packet is used for OSPF route update. An LSU packet may contain 11 types of link status notifications (LSA). The difference between the terms "link status update (LSU)" and "link status notification (LSA)" is sometimes

OSPF link status update The link status update (LSU) packet is used for OSPF route update. An LSU packet may contain 11 types of link status notifications (LSA). The difference between the terms "link status update (LSU)" and "link status

Release date:Updated on: Affected Systems:Netiq Privileged User ManagerDescription:--------------------------------------------------------------------------------Bugtraq id: 56535 NetIQ Privileged User Manager is a solution for secure access to

Concept: Chinese name: routing protocol between the intermediate system and the intermediate system IS-IS: Intermediate System to Intermediate System Routing Protocol The routing protocol (IS-IS) between the intermediate system and the intermediate

  Experiment content: ConfigurationOSPFDynamic Routing Protocol Lab environment:CiscoPacket TracerSimulator Tutorial principle: 1. Overview   -- OSPF is a typical link-State routing protocol, which is generally used in the same routing domain. Here,

1. Overview E-Mail is one of the most commonly used network applications, and has become an important channel for communication. But spam spam most people, and recent surveys show that 93% of respondents are dissatisfied with the amount of junk mail

OSPF RIP EIGRPCategorical IGP no class link state igp no class distance vector IGP no class blendingEncapsulated IP udp520 IP 88Update address 224.0.0.5-6 224.0.0.9 224.0.0.10 can also neighbor refer to unicastUpdate mode timing (30 points) Full