Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO

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Test Dovecot POP3 Server with "telnet" Client
This section provides a tutorial example on how to test Dovecot POP3 server with the 'telnet' client command to send a POP3 request to port 110 on local host. Users can retrieve emails after authenticated with their passwords. 2024-04-06, ∼174🔥, 0💬

Introduction to Email
This chapter provides introductions on email and related technologies. Topics include SMTP, POP3 and IMAP protocols; SSL/TLS secure connections; MUA, MSA, MTA and MDA software agents. 2024-04-06, ∼170🔥, 0💬

What Is Postfix
This section provides a quick description on Postfix, a free and open-source Mail Transport Agent (MTA) that routes and delivers electronic mail on Linux systems. 2024-04-06, ∼168🔥, 0💬

What Is Dovecot
This section provides a quick description on Dovecot, a free and open-source IMAP and POP3 server that allows remote clients to retrieve emails from mailboxes on Linux systems. 2024-04-06, ∼168🔥, 0💬

Keep Deleted Emails on Dovecot
This section provides a tutorial example on how to keep deleted emails on the mail server by using the 'pop3_delete_type' flag and stoping the 'IMAP' service in Dovecot. 2024-04-06, ∼164🔥, 0💬

What Is Email
This section provides a quick introduction on email and how email messages are processed by 4 types of software agents: MUA, MSA, MTA, and MDA. 2024-04-06, ∼162🔥, 0💬

References
List of reference materials used in this book. 2024-04-06, ∼161🔥, 0💬

Send Message Errors on Thunderbird
This section provides examples of send message errors occurred while sending email messages with Thunderbird. 2024-04-06, ∼161🔥, 0💬

What Is IMAPS
This section provides a quick introduction on IMAPS (Internet Message Access Protocol Secure) for message retrieval. An IMAPS sample session of retrieving an email message using the 'openssl s_client' command is included. 2024-04-06, ∼158🔥, 0💬

Install and Configure Dovecot on CentOS
This section provides a tutorial example on how to install, configure and run Dovecot server on CentOS systems. 2024-04-06, ∼153🔥, 0💬

Install and Configure Postfix on CentOS
This section provides a tutorial example on how to install, configure and run Postfix server on CentOS systems. 2024-04-06, ∼152🔥, 0💬

What Is POP3
This section provides a quick introduction on POP (Post Office Protocol 3) for retrieving email messages. A POP3 sample session of retrieving an email message using the 'telnet' command is included. 2024-04-06, ∼145🔥, 0💬

"postconf" Command to Manage Postfix Configuration
This section provides a tutorial example on how to 'postconf' command to manage Postfix configuration settings. 2024-04-06, ∼137🔥, 0💬

What Is IMAP
This section provides a quick introduction on IMAP (Internet Message Access Protocol) for retrieving email messages. An IMAP sample session of retrieving an email message using the 'telnet' command is included. 2024-04-06, ∼136🔥, 0💬

What Is Mozilla Thunderbird
This section provides a quick introduction of Mozilla Thunderbird, which is email client, or MUA (Mail User Agent), for retrieving and submitting email messages. 2024-04-06, ∼131🔥, 0💬

Big5 到 Unicode 轉換 - 特殊符號
本章列出了大五碼 (big5) 特殊符號區的字元集和編碼，以及它們所對應的 Unicode 編碼。特殊符號共收錄字母和符號 408 個。 2024-03-29, ∼265🔥, 2💬

Archived: Downloading and Installing JDK 13 on Mac
This section describes how to download and install JDK on a macOS computer. 2024-03-28, ∼148🔥, 0💬

Archived: Downloading and Installing JDK 15
This section describes how to download and install JDK 15 on a macOS computer. 2024-03-26, ∼181🔥, 0💬

Ethereum Account Keystore File
This section describes the keystore file that contains the private key of an Ethereum account. 2024-03-23, ∼1871🔥, 2💬

💬 2024-03-23 bug!: Hello there. If you're know the approximate combinations of words, phrases, or even letters and symbols from your forgotten pass...

💬 2023-01-17 Agba: How can I decrypt one??

"Server sent charset unknown to the client" Error
This section provides a tutorial example on how to resolve the 'Server sent charset unknown to the client' error received in PHP mysqli_connect() call to MySQL 8.0 running on CentOS 8 systems. 2024-03-19, ∼5374🔥, 1💬

Removing IE Addon "Lync Browser Helper"
This section provides a tutorial example on how to disable and remove 'Lync Browser Helper' addon from Internet Explorer. 2024-03-13, ≈16🔥, 10💬

💬 2024-03-13 chris meyer: embedded windows 7 - want to keep browser compatible links.

💬 2018-10-27 Herong: manoj, what is the URL of the web page?

💬 2018-10-27 manoj kumar: internet explore can not didplay the webpage

💬 2017-06-04 Herong: Tech101, can you try to disable the "asktoolbar" add-on within IE 11? Or try to uninstall "asktoolbar" using Control Panel.

💬 2017-06-02 Tech101: Any idea how to remove the asktoolbar from Windows 7 32 and 64 bit .ie11

(More comments ...)

jvisualvm (Java VisualVM) - JVM Visual Tool
This chapter provides tutorial notes on the JVM visual tool, Java VisualVM. Topics include launching Java VisualVM, connecting to local JVM processes; monitoring CPU and heap usage; monitoring thread statuses; taking thread dumps and heap dumps; viewing heap dump and object contents; connecting to r... 2024-03-13, ∼1044🔥, 2💬

💬 2021-01-12 vinod: thanks

💬 2017-10-25 haibing: thanks

💬 2017-06-16 marth: powerful tool

Full Version in PDF/EPUB
Information on how to obtain the full version of this book in PDF, EPUB, or other format. 2024-03-13, ∼9259🔥, 37💬

💬 2024-03-13 aridj: thanks

💬 2021-07-27 attila: thanks

💬 2019-07-04 aladdin: thanks

💬 2018-10-20 Herong: bachi, thanks for sharing your comment.

💬 2018-10-13 bachi: I like how you composed your content. I like how you explain the DES algorithm

(More comments ...)

archived: Download and Install JDK 14 on macOS
This section provides a tutorial example on how to download and install the latest version JDK, which contains the HotSpot JVM, on a macOS system. A simple Java program was entered, compiled, and executed to verify the JDK installation. 2024-03-12, ∼207🔥, 0💬

<< < … 12 13 14 15 16 17 18 19 20 21 22 … > >>   ∑:8894  Sort:Rank

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO