Check if the SSLSecure Sockets Layer (SSL): SSL is a standard protocol for encryption and security. It provides a secure and encrypted connection between the computer and the target server or device accessed over the Internet. certificates are correct.
To do this, open the online tool SSLSecure Sockets Layer (SSL): SSL is a standard protocol for encryption and security. It provides a secure and encrypted connection between the computer and the target server or device accessed over the Internet. Checker:

https://www.sslshopper.com/ssl-checker.html

Test SMTPSimple Mail Transfer Protocol (SMTP): SMTP is another of the three email protocols. It is most commonly used for sending email from an email client through an email server. This protocol uses TCP for the administration and delivery of the e-mail. by providing the domainA domain is a name that is unique and unambiguous worldwide on the Internet. The domain can be used for websites and emails. name and smtpSimple Mail Transfer Protocol (SMTP): SMTP is another of the three email protocols. It is most commonly used for sending email from an email client through an email server. This protocol uses TCP for the administration and delivery of the e-mail. portThe known port numbers Similar to IP addresses, ports are also divided into classes. There are three port ranges: the known ports, the registered ports and the dynamic / private ports. The assignment of port numbers, the regional assignment of IP addresses and DNS root zones (Domain Name System) are managed by IANA (Internet Assigned Numbers Authority). IANA also maintains...:

example.com:465

Next, test IMAPIMAP stands for the abbreviation Internet Message Access Protocol . In contrast to POP, IMAP enables synchronization across devices. For example, e-mails that have been read are displayed in the same way on all devices. IMAP is the most powerful of the three email protocols. IMAP makes it possible to use an e-mail client to manage a single mailbox on... using the domainA domain is a name that is unique and unambiguous worldwide on the Internet. The domain can be used for websites and emails. name and imapIMAP stands for the abbreviation Internet Message Access Protocol . In contrast to POP, IMAP enables synchronization across devices. For example, e-mails that have been read are displayed in the same way on all devices. IMAP is the most powerful of the three email protocols. IMAP makes it possible to use an e-mail client to manage a single mailbox on... portThe known port numbers Similar to IP addresses, ports are also divided into classes. There are three port ranges: the known ports, the registered ports and the dynamic / private ports. The assignment of port numbers, the regional assignment of IP addresses and DNS root zones (Domain Name System) are managed by IANA (Internet Assigned Numbers Authority). IANA also maintains...:

example.com:993

Dieser Beitrag ist auch verfügbar auf: Deutsch (German)