Building a sendmail configuration file

Use this procedure to modify your sendmail.cf file. An example of how to enable domain masquerading is included.

Setting up a virtual host

Steps to configure sendmail so that mail is accepted for more than one domain.

Setting up automatic rebuilding of the sendmail configuration file

Use this procedure to modify the sendmail service so that the sendmail.cf and submit.mc configuration files are automatically rebuilt after an upgrade.

Running sendmail in the open mode

Use this procedure to modify the sendmail service properties to enable the open mode.

Setting SMTP to use Transport Layer Security (TLS)

Use this procedure to enable SMTP to have secure connections with TLS.

Managing mail delivery with an alternate configuration

Use this procedure to prevent mail delivery problems that can occur if the master daemon is disabled.