Table 8 Sendmail Timers
Timer | Description | Default Value |
|
|
|
Timeout on MAIL FROM: | 5 to 10 minutes | |
rcpt | Timeout on RCPT TO: | 1 hour |
datainit | Timeout on DATA acknowledgement | 5 minutes |
datablock | Timeout on DATA block read | No default |
datafinal | Timeout on DATA acknowledgement of final | 1 hour |
| dot |
|
command | Timeout on wait of next command | 1 hour |
Initial | Timeout on initial greeting message | None |
Helo | Timeout on HELO or EHLO | None |
Rset | Timeout on RSET acknowledgement | 5 minutes |
Quit | Timeout on QUIT acknowledgement | 2 minutes |
Misc | Timeout on other SMTP commands | 2 minutes |
Ident | Timeout on ident protocol | 0/disabled |
Fileopen | Timeout on NFS file open | 5 minutes |
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Table 9 Sendmail Tunable Parameters
Parameter | Description | Default Value |
|
|
|
MinFreeBlocks | Minimum file space needed for Sendmail to operate | 100 |
MaxHeaderLength | Maximum size of the header section | 32768 bytes |
MaxMessageSize | Maximum message length | 0 |
MaxMimeHeaders | Maximum length of the MIME headers | 0/0 |
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|
|
To configure the Sendmail queue performance, follow these steps:
1.Under Mail on the Manage Components menu, choose Sendmail Server/Using Open Source Configuration Rules.
2.From the Sendmail Server Administration menu, choose Configure Sendmail Server.
3.On the Configure Sendmail Server menu, make sure that Server is selected and click on Configure.
4.From the Configure Sendmail Server menu, choose Configure Queue Performance. A form is displayed, showing the current performance values.
5.Modify the timers and other parameters as desired.
6.Click Submit.
Configuring Trusted Layer Security
Sendmail includes support for enhanced security: Secure Socket Layer (SSL) and Transport Layer Security (TLS). SSL and now TLS (successor to SSL) are used to establish a trusted connection. Sendmail's usage of TLS is not
To use TLS, sendmail needs a source of random information. This Internet Express release includes both Tru64 UNIX Version 5.1A and 5.1B sendmail binaries to allow access of the appropriate random number generators. In version 5.1B, the Sendmail binary uses the native /dev/random device, while the Tru64 UNIX Version 5.1A operating system version includes support for egd.
114 Mail Delivery Administration