Postfix -- use SMTP authentication and build a web interface

Environment: The company has built a Postfix Mail Server Based on linux users. To further simplify mailbox access, we need to add a Web mail system. In addition, we need to enable SMTP mail authentication to improve security.

Environment conditions:

Postfix, dovecot, and LAMP platforms have been set up to enable cross-domain email sending and receiving and support for php Web documents. refer to the previous article as follows:

Http://hebingkun.blog.51cto.com/6083382/1308147

This is an article about building Postfix.

Http://hebingkun.blog.51cto.com/6083382/1305548

This is an article about building the LAMP platform.

Use Cyrus-SASL to set SMTP sending authentication for postfix

Use SquirrelMail to build a Web mail system based on the existing postfix and dovecot

Set the query table file and add the Contact Group market and training, including the employee accounts of the training Department of the Marketing Department.

Leon and mary belong to the market group, and terry and tom belong to the training group.

Finally, you must set the Contact Group Name and send a letter to the market group. All members of the contact group can receive the email.

Tutorial steps: