Lazar Shishmanov, PhD
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Articles
What Is the Difference Between HTTP Error 401 Unauthorized and a 403 Forbidden Message?
Every once in a while, while surfing the internet you might stumble upon an error. Whether it is a 404 Not Found, or another one. These errors are usually frustrating and sometimes confusing. While...
What Causes HTTP Error 401 Unauthorized?
HTTP Error 401 Unauthorized is a standard response code indicating that a request made to a web server is not authorized due to invalid or missing authentication credentials. This error signifies...
What is HTTP Error 401 Unauthorized
The HTTP 401 Unauthorized error is a status code that indicates a request made by the client has not been fulfilled because it lacks valid authentication credentials for the requested resource. This...
POP3
POP3 (Post Office Protocol Version 3) is the latest version of the Post Office Protocol, designed for the retrieval of email messages by email applications from email servers. This protocol enables...
IMAP
IMAP is an abbreviation for Internet Message Access Protocol. It is a popular alternative to the POP3 protocol and is generally better suited for online access to email messages. Unlike POP3, the...
SPF Records
SPF (Sender Policy Framework) records are a type of DNS (Domain Name System) record that helps prevent email spoofing by specifying which mail servers are allowed to send emails on behalf of your...
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WordPress Popup Plugin: 5 Best Choices for Your Site
Having the right popup plugin on your WordPress website can drastically increase visitors’ engagement, and number of subscribers, and can even increase the number of paying customers. However, in order to get the most out of the feature, you should find a popup plugin...
9 Best WordPress Forum Plugins
If you are focusing on creating an online forum with WordPress and searching for the best options for your online community, this is the article for you. We have filtered out the best WordPress plugins for any situation, so you don’t have to. In the following...