http://www.networksorcery.com/enp/protocol/imap.htm Description: Protocol suite: TCP/IP. Protocol type: Application layer email protocol. Ports: 143 (TCP) IMAP2, IMAP4, IMAP 4rev1. 220 (TCP) IMAP3. URI: imap: MIME subtype: SNMP MIBs: Worki
http://www.networksorcery.com/enp/protocol/imap.htm
Description:
| Protocol suite: | TCP/IP. |
| Protocol type: | Application layer email protocol. |
| Ports: | 143 (TCP) IMAP2, IMAP4, IMAP 4rev1. 220 (TCP) IMAP3. |
| URI: | imap: |
| MIME subtype: | |
| SNMP MIBs: | |
| Working groups: | imap, Internet Message Access Protocol. imapext, Internet Message Access Protocol Extension. morg, Message ORGanization. |
| Links: | IANA: IMAP4 capabilities. wiki: IMAP. |
IMAP2:
IMAP3:
IMAP4:
IMAP4rev1:
This variant is designed to be upwards compatible from the IMAP2 and unpublished IMAP2bis protocols. It is largely compatible with the IMAP4 protocol.
| MAC header | IP header | TCP header | IMAP message |
Commands:
| Command | References |
|---|---|
| APPEND | RFC 3501, RFC 3502, RFC 4466, RFC 4469 |
| AUTHENTICATE | RFC 3501 |
| CAPABILITY | RFC 3501 |
| CHECK | RFC 3501 |
| CLOSE | RFC 3501 |
| COMPARATOR | RFC 5255 |
| COMPRESS | RFC 4978 |
| CONVERSIONS | RFC 5259 |
| COPY | RFC 3501 |
| CREATE | RFC 3501, RFC 4466 |
| DELETE | RFC 3501 |
| DELETEACL | RFC 4314 |
| EXAMINE | RFC 3501, RFC 4466 |
| EXPUNGE | RFC 3501 |
| FETCH | RFC 3501, RFC 4466 |
| GETACL | RFC 4314 |
| GETQUOTA | RFC 2087 |
| GETQUOTAROOT | RFC 2087 |
| LIST | RFC 3501 |
| LISTRIGHTS | RFC 4314 |
| LOGIN | RFC 3501 |
| LOGOUT | RFC 3501 |
| LSUB | RFC 3501 |
| MYRIGHTS | RFC 4314 |
| NOOP | RFC 3501 |
| RENAME | RFC 3501, RFC 4466 |
| SEARCH | RFC 3501, RFC 5032 |
| SELECT | RFC 3501, RFC 4466 |
| SETACL | RFC 4314 |
| SETQUOTA | RFC 2087 |
| SORT | RFC 5256 |
| STARTTLS | RFC 3501 |
| STATUS | RFC 3501 |
| STORE | RFC 3501, RFC 4466 |
| SUBSCRIBE | RFC 3501 |
| THREAD | RFC 5256 |
| UID | RFC 3501, RFC 4315, RFC 4466 |
| UNSELECT | RFC 3691 |
| UNSUBSCRIBE | RFC 3501 |
| X |
RFC 3501 |
Status responses:
Status responses MAY include an OPTIONAL response code. A response code consists of data inside square brackets in the form of an atom, possibly followed by a space and arguments. The response code contains additional information or status codes for client software beyond the OK/NO/BAD condition, and are defined when there is a specific action that a client can take based upon the additional information.
| Response | Reference |
|---|---|
| BAD | RFC 3501 |
| BYE | RFC 3501 |
| NO | RFC 3501 |
| OK | RFC 3501 |
| PREAUTH | RFC 3501 |
IMAP4 capabilities:
| Capability | References |
|---|---|
| ACL | RFC 4314 |
| ANNOTATE-EXPERIMENT-1 | RFC 5257 |
| BINARY | RFC 3516 |
| CATENATE | RFC 4469 |
| CHILDREN | RFC 3348 |
| COMPRESS=DEFLATE | RFC 4978 |
| CONDSTORE | RFC 4551 |
| CONTEXT=SEARCH | RFC 5267 |
| CONTEXT=SORT | RFC 5267 |
| CONVERT | RFC 5259 |
| ENABLE | RFC 5161 |
| ESEARCH | RFC 4466, RFC 4731 |
| ESORT | RFC 5267 |
| FILTERS | RFC 5466 |
| I18NLEVEL=1 | RFC 5255 |
| I18NLEVEL=2 | RFC 5255 |
| ID | RFC 2971 |
| IDLE | RFC 2177 |
| LANGUAGE | RFC 5255 |
| LITERAL+ | RFC 2088 |
| LOGIN-REFERRALS | RFC 2221 |
| LOGINDISABLED | RFC 2595, RFC 3501 |
| MAILBOX-REFERRALS | RFC 2193 |
| MULTIAPPEND | RFC 3502 |
| NAMESPACE | RFC 2342 |
| NOTIFY | RFC 5465 |
| QRESYNC | RFC 5162 |
| QUOTA | RFC 2087 |
| RIGHTS= | RFC 4314 |
| SASL-IR | RFC 4959 |
| SEARCHRES | RFC 5182 |
| SORT | RFC 5256 |
| STARTTLS | RFC 2595, RFC 3501 |
| THREAD | RFC 5256 |
| UIDPLUS | RFC 2359 |
| UNSELECT | RFC 3691 |
| URLAUTH | RFC 4467 |
| WITHIN | RFC 5032 |
Explain the InnoDB Buffer Pool and its importance for performance.Apr 19, 2025 am 12:24 AMInnoDBBufferPool reduces disk I/O by caching data and indexing pages, improving database performance. Its working principle includes: 1. Data reading: Read data from BufferPool; 2. Data writing: After modifying the data, write to BufferPool and refresh it to disk regularly; 3. Cache management: Use the LRU algorithm to manage cache pages; 4. Reading mechanism: Load adjacent data pages in advance. By sizing the BufferPool and using multiple instances, database performance can be optimized.
MySQL vs. Other Programming Languages: A ComparisonApr 19, 2025 am 12:22 AMCompared with other programming languages, MySQL is mainly used to store and manage data, while other languages such as Python, Java, and C are used for logical processing and application development. MySQL is known for its high performance, scalability and cross-platform support, suitable for data management needs, while other languages have advantages in their respective fields such as data analytics, enterprise applications, and system programming.
Learning MySQL: A Step-by-Step Guide for New UsersApr 19, 2025 am 12:19 AMMySQL is worth learning because it is a powerful open source database management system suitable for data storage, management and analysis. 1) MySQL is a relational database that uses SQL to operate data and is suitable for structured data management. 2) The SQL language is the key to interacting with MySQL and supports CRUD operations. 3) The working principle of MySQL includes client/server architecture, storage engine and query optimizer. 4) Basic usage includes creating databases and tables, and advanced usage involves joining tables using JOIN. 5) Common errors include syntax errors and permission issues, and debugging skills include checking syntax and using EXPLAIN commands. 6) Performance optimization involves the use of indexes, optimization of SQL statements and regular maintenance of databases.
MySQL: Essential Skills for Beginners to MasterApr 18, 2025 am 12:24 AMMySQL is suitable for beginners to learn database skills. 1. Install MySQL server and client tools. 2. Understand basic SQL queries, such as SELECT. 3. Master data operations: create tables, insert, update, and delete data. 4. Learn advanced skills: subquery and window functions. 5. Debugging and optimization: Check syntax, use indexes, avoid SELECT*, and use LIMIT.
MySQL: Structured Data and Relational DatabasesApr 18, 2025 am 12:22 AMMySQL efficiently manages structured data through table structure and SQL query, and implements inter-table relationships through foreign keys. 1. Define the data format and type when creating a table. 2. Use foreign keys to establish relationships between tables. 3. Improve performance through indexing and query optimization. 4. Regularly backup and monitor databases to ensure data security and performance optimization.
MySQL: Key Features and Capabilities ExplainedApr 18, 2025 am 12:17 AMMySQL is an open source relational database management system that is widely used in Web development. Its key features include: 1. Supports multiple storage engines, such as InnoDB and MyISAM, suitable for different scenarios; 2. Provides master-slave replication functions to facilitate load balancing and data backup; 3. Improve query efficiency through query optimization and index use.
The Purpose of SQL: Interacting with MySQL DatabasesApr 18, 2025 am 12:12 AMSQL is used to interact with MySQL database to realize data addition, deletion, modification, inspection and database design. 1) SQL performs data operations through SELECT, INSERT, UPDATE, DELETE statements; 2) Use CREATE, ALTER, DROP statements for database design and management; 3) Complex queries and data analysis are implemented through SQL to improve business decision-making efficiency.
MySQL for Beginners: Getting Started with Database ManagementApr 18, 2025 am 12:10 AMThe basic operations of MySQL include creating databases, tables, and using SQL to perform CRUD operations on data. 1. Create a database: CREATEDATABASEmy_first_db; 2. Create a table: CREATETABLEbooks(idINTAUTO_INCREMENTPRIMARYKEY, titleVARCHAR(100)NOTNULL, authorVARCHAR(100)NOTNULL, published_yearINT); 3. Insert data: INSERTINTObooks(title, author, published_year)VA
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.
mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),
Dreamweaver CS6
Visual web development tools
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
