mutt unix command not successlly send an email

failed to send an email by unix command line

echo "hello" | mutt -s "test"

it does not show any message, but in my email , cannot get the email.

any idea?

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chk if this can help,
from command line type

body text bla bla

note end with a singl . [dot] on a single line
mutt is  a MUA (mail user agent) and normally doesn't send mail itself -- it uses an MTA for this task.

you should check whether any MTA is running on local machine and what, if any, error messages are present in its logs.

MTA is  short for "mail transfer agent" -- it may be sendmail, postfix, qmail or exim.

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SayYou_SayMeAuthor Commented:
i login another machine , can send email!
maybe that machine is not availble to send email

As svs said:

1. Check whether a mail service is running

# netstat -lnt | grep :25

2. Then check the mail log, because it could help you solve the problem

Mail logs reside in a file /var/log/maillog or /var/log/mail.log or /var/log/mail/maillog. So, from a terminal window to see last 25 lines of a mail log file, type for example:

# tail -20 /var/log/maillog
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Unix OS

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