send mail from linux terminal in one line

Question

I know there is the command mail in linux to send emails via command line  How can I send an simple email with one line from the terminal though    For example   mail user gmail com  subject   body    And have the email sent without any confirmation or prompts to the user   The reason is  I want to send a brief message via email to myself when a specific event happens in a java program  The idea is that I will use Runtime getRuntime      etc  to send the mail command from my java program    I used cron to do something similar in the past  but the current implementation doesn t use cron  so I need to try this out instead

User · Accepted Answer

mail can represent quite a couple of programs on a linux system  What you want behind it is either sendmail or postfix  I recommend the latter   You can install it via your favorite package manager  Then you have to configure it  and once you have done that  you can send email like this    echo  My message    mail -s subject user gmail com   See the manual for more information   As far as configuring postfix goes  there s plenty of articles on the internet on how to do it  Unless you re on a public server with a registered domain  you generally want to forward the email to a SMTP server that you can send email from   For gmail  for example  follow http   rtcamp com tutorials linux ubuntu-postfix-gmail-smtp  or any other similar tutorial

User · Answer

Sending Simple Mail     mail -s  test message from centos  recipient example com hello from centos linux command line   Ctrl D to finish

User · Answer

You can use an echo with a pipe to avoid prompts or confirmation   echo  This is the body    mail -s  This is the subject  user gmail com

User · Answer

You can install the mail package in Ubuntu with below command   For Ubuntu -     sudo apt-get install -y mailutils   For CentOs-     sudo yum install -y mailx   Test Mail command-     echo  Mail test    mail -s  Subject  youremail domain com

User · Answer

For Ubuntu users  First You need to install mailutils  sudo apt-get install mailutils   Setup an email server  if you are using gmail or smtp  follow this link  then use this command to send email   echo  this is a test mail    mail -s  Subject of mail  username domain com   In case you are using gmail and still you are getting some authentication error then you need to change setting of gmail   Turn on Access for less secure apps from here

User · Answer

echo  Subject  test     usr sbin sendmail user domain com   This enables you to do it within one command line without having to echo a text file  This answer builds on top of  mti2935 s answer  So credit goes there

User · Answer

You can also use sendmail    usr sbin sendmail user domain com  lt   file to send

[linux] send mail from linux terminal in one line

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