check imap ssl certificate

How to create an imap ssl self-signed certificate Today, I think the imap ssl self-signed certificate is incorrect. I can check it online, and no one can say it completely. Clearly, there is no way. Please take a look at the official documentation

Stunnel is a program that can use SSL to encrypt any TCP connection. It can run on a variety of UNIX and Windows operating systems. In this way, it effectively solves the problem that SSL cannot encrypt the data transmitted by existing applications.

  The SSL (Secure Sockets Layer) protocol was first developed by the famous Netscape company. It is now widely used for identity authentication on the Internet and secure data communication between web servers and Client browsers. The purpose of

It took basically two days to configure the mail server under CentOS7. There are too many hardships, so we must summarize them.The purpose of this article is to build a dovecot + postfix + SSL server under CentOS 7 through a series of configurations,

1. Introduction?? Today I would like to share with you the various encryption and decryption algorithms used in Internet communication, before we introduce the encryption and decryption knowledge, we first understand the meaning of the relevant

Today made a small memory vps Apache too accounted for memory, decided to give up, the use of lighttpd from the Internet to find a lot of articles, finally installed successfully 1. Compile and install MySQL./configure--prefix=/srv/mysql--

Introduction to HTTP 2.0HTTP 2.0, Hypertext Transfer Protocol 2.0, is the next generation HTTP protocol. was developed by the hypertext Transfer Protocol Bis (httpbis) Working Group of the Internet Engineering Task Force (IETF). Is the first update

[Email] analysis of various problems and solutions1. 554 Sending address not accepted due to spam filterWhen you send an email to someone else, the email is not delivered, but the error is returned. at this time, you need to contact receipt, 99%

Overview: The imap4 module defines three classes: imap4, impa4_SLL, and impa4_stream. They encapsulate a connection to the impa4 server and implement a set of impa4 client protocols, these classes are defined in RFC 2060. It is backward compatible

1. Update the system to install the necessary dependency packages[user]$ sudo apt-get update && sudo apt-get-y upgrade[user]$ sudo apt-get install Software-properties-common Nano Wget2. Install MariaDB10 above, if it is not clear whether the