O'Reilly logo

Linux in a Nutshell, Fourth Edition by Aaron Weber, Stephen Figgins, Ellen Siever

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Name

sendmail

Synopsis

                  sendmail [flags] [address...]

System administration command. sendmail is a mail transfer agent (MTA) or, more simply, a mail router. It accepts mail from a user’s mail program, interprets the mail address, rewrites the address into the proper form for the delivery program, and routes the mail to the correct delivery program.

Command-line flags

-Ac

Use local submission configuration file /etc/mail/submit.cf, even when no mail is sent from the command line.

-Am

Use configuration file /etc/mail/sendmail.cf, even when mail is sent from the command line.

-B type

Set message body type. Accepted values are 7BIT and 8BITMIME.

-b x

Set operation mode to x. Operation modes are:

a

Run in ARPAnet mode.

d

Run as a daemon.

D

Run as a daemon, but remain in the foreground.

h

Print persistent host status information.

H

Purge expired entries from persistent host status information.

i

Initialize the alias database.

m

Deliver mail (the default).

p

Print the mail queue.

s

Speak SMTP on input side.

t

Run in test mode.

v

Verify addresses; do not collect or deliver.

-C file

Use configuration file file.

-d level

Set debugging level.

-F name

Set full name of user to name.

-f name

Sender’s name is name.

-G

Relay message submission. Used by rmail.

-i

Do not interpret dots on a line by themselves as a message terminator.

-h cnt

Set hop count (number of times message has been processed by sendmail) to cnt.

-L identifier

Use the specified log identifier for messages sent to syslogd.

-N conditions ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required