manual smtp commands

Reprint Please specify source: http://blog.csdn.net/qq_26525215This article is from the "university trip _ Remember the blog" Introduction to e-mail protocol:Mail server, according to the type of service provided, can be divided into the server

PHP does not provide a ready-made smtp function, but provides a mail () function that is not very flexible. this function requires support on server configuration and does not support smtp verification, it is not recommended because it cannot work

A recent project needs to use SMTP to send mail, the previous library class does not exist, do not like to install pear or use Pear's net/smtp class, it is too complicated. The core is extracted directly from the Discuz and slightly modified. From

A recent project requires SMTP to send mail, the previous library class does not exist, and does not like to install pear or use the Pear net/smtp class, feeling too complex. Directly from the Discuz to extract the core slightly modified under. From

smtp| Send mail Because PHP does not provide out-of-the-box SMTP functions, it provides a less flexible mail () function that requires support on the server configuration and does not support SMTP authentication, and is not recommended for use in

because PHP does not provide ready-made SMTP functions, but provides a less flexible mail () function, this function requires server configuration support, and does not support SMTP authentication, in many cases does not work properly, Therefore, it

Use PHP send mail via SMTP newbie guide http://tech.163.com 09:40:32 Source: IT computer tutorial network comments 0 Forum PHP does not provide a ready-made SMTP function, but provides a mail () function that is not very flexible. This function

Because PHP does not provide out-of-the-box SMTP functions, it provides a less flexible mail () function that requires support on the server configuration and does not support SMTP authentication, and is not recommended for use in many situations.

SMTP protocol Principle SMTP-Simple Mail Transfer Protocol) is a Protocol that defines Mail transmission. It is based on the TCP application layer Protocol, defined by RFC0821. The commands specified by the SMPT protocol are in plaintext. To

? * Name: send email with socket* Description: This class implements the direct use of the SMTP server that needs to be authenticated to send mail directly, reference article "send email with socket" Author: Limodou* This article is relatively early,