To add an extra layer of authentication to your domain name - you need an SPF record. Learn what an SPF record is, how it works, and how to set it.
Email spoofing is a technique that hackers use for phishing attacks. Learn what spoofing is, how it works, and how to stop it or prevent becoming a victim.
If the OSPF status of the interface is Down, run the display ospf cumulative command to check whether the number of interfaces enabled with OSPF in the OSPF process exceeds the upper limit. <HUAWEI> display ospf cumulative OSPF Process 1 with Router ID 10.1.1.1 Cumulations IO Statist...
SPF (Sender Policy Framework) indicates IP addresses authorized to send emails from the specific domain. While we do recommed creating an SPF record, please note that doing so is not required to send messages from GetResponse.
If you need to configure this command, you are advised to configure it on all OSPF routers on the entire network. OSPF uses the cost as the route metric. Each OSPF-enabled interface has a cost value. The formula used to calculate the cost is: Cost = 100M/Interface bandwidth. 100 Mbit...
If you’re only using Gmail to send your emails, this is how to SPF TXT record would look like: v=spf1 include: _spf.google.com ~all 4. Save the SPF record Once you’re done, hit save. To be safe, check on your DNS manager to ensure the record is there. The new record will...
What is an insider threat in cybersecurity?Why are insider threats dangerous?Insider threat examplesTypes of insider threats in cybersecurityHow to monitor for insider threatsHow to detect insider threatsHow to prevent insider threats in 2025 Insider threats, though the most difficult of cyber threats...
Permanent errormeans the SPF record could not be correctly processed, and the message fails to be delivered. This type of error can occur if there is more than one SPF record for the sending domain or if the SPF record has syntax errors. ...
What is Ransomware?10 Best Ransomware Prevention PracticesWhat To Do After A Ransomware Attack As the world of technology grows, so should the cybersecurity practices that protect them. Having a ransomware defense strategy should be a priority for any individual or company. Without it, poorly prote...
A router checks the value of the following three options in the sequence to select the RID. The value of the router-id command The ip address of an active loopback interface The ip address of an active interface If it finds the value of an option, it does not check the value of the...