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5 Configuring Mail Delivery Agents

figure images/nodeworx/nw-email-mda.png
Figure 5.1 The NodeWorx Mail Delivery Agent Configuration Page

5.1 qmail-pop3d: POP3 and Secure POP3 servers

5.1.1 MDA Server Control

These blocks display the service status and activity toggles for qmail-pop3d and qmail-pop3d-ssl. They also permit the user to toggle whether or not the services start at boot.

5.1.2 MDA Server Information

The MDA Server Info [POP3] block gives software version information, as well as the following settings:
POP3 Memory Limit The maximum quantity of RAM that POP3 is permitted to utilize at once.[N][N]This value changes the softlimit setting of the daemontools suite which is used to launch the program. http://cr.yp.to/daemontools/softlimit.html
POP3 Connections (max) The number of simultaneous client connections that the POP3 server will accept.[O][O]This value changes the tcpserver setting of the ucspi-tcp suite which is used to launch the program.http://cr.yp.to/ucspi-tcp/tcpserver.html
Secure POP3 Memory Limit The maximum quantity of RAM that POP3-SSL is permitted to lock at once. [P][P]This value changes the softlimit setting of the daemontools suite which is used to launch the program.http://cr.yp.to/daemontools/softlimit.html
Secure POP3 Connections (max) The number of simultaneous client connections that the POP3-SSL server will accept. [Q][Q]This value changes the tcpserver setting of the ucspi-tcp suite which is used to launch the program.http://cr.yp.to/ucspi-tcp/tcpserver.html

5.2 courier-imap: IMAP4 and Secure IMAP4 servers

5.2.1 MDA Server Control

These blocks display the service status and activity toggles for courier-imap and courier-imapssl. They also permit the user to toggle whether or not the services start at boot.

5.2.2 MDA Server Information

The MDA Server Info [IMAP] block gives software version information, as well as the following settings:
IMAP Memory Limit The maximum quantity of RAM that IMAP is permitted to lock at once. [R][R]This value changes the softlimit setting of the daemontools suite which is used to launch the program. http://cr.yp.to/daemontools/softlimit.html
IMAP Connections (max) The number of simultaneous client connections that the IMAP server will accept. [S][S]This value changes the tcpserver setting of the ucspi-tcp suite which is used to launch the program.http://cr.yp.to/ucspi-tcp/tcpserver.html
Secure IMAP Memory Limit The maximum quantity of RAM that IMAP-SSL is permitted to lock at once. [T][T]This value changes the softlimit setting of the daemontools suite which is used to launch the program. http://cr.yp.to/daemontools/softlimit.html
Secure IMAP Connections (max) The number of simultaneous client connections that the IMAP-SSL server will accept. [U][U]This value changes the tcpserver setting of the ucspi-tcp suite which is used to launch the program.http://cr.yp.to/ucspi-tcp/tcpserver.html
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