Specify the from user when sending email using the mail command

Question

Does anyone know how to change the from user when sending email using the mail command  I have looked through the man page and can not see how to do this    We are running Redhat Linux 5

User · Answer

mail -r from from from -R from from com  -r   from-addr -R   reply-to addr  The author has indicated his version of mail doesn t support this flag  But if you have a version that does this works fine

User · Answer

You can append sendmail options to the end of the mail command by first adding --  -f is the command on sendmail to set the from address  So you can do this   mail recipient foo com -- -f sender bar com

User · Answer

For CentOS here is the working command    mail -s Subject -S from sender example com recipient example com

User · Answer

This works on Centos7  echo  This is the main body of the mail    mail -s  Subject of the Email  -r seneder address whatever com recipent address example com

User · Answer

Here s an answer from 2018  on Debian 9 stretch   Note the -e for echo to allow newline characters  and -r for mailx to show a name along with an outgoing email address     echo -e  testing email via yourisp com from command line n nsent on    date     mailx -r  Foghorn Leghorn  lt sender yourisp com gt   -s  test cli email   date   -- recipient somedomain com   Hope this helps

User · Answer

None of these worked for me  Ubuntu 12 04  but finally with trial  amp  error I got   echo  my message blabla nSecond line  optional of course      mail -s  Your message title  -r  Your full name lt yourSenderAdress yourDomain abc gt   -Sreplyto  yourReplyAdressIfDifferent domain abc  destinatorEmail destDomain abc  otherDestinator otherDomain abc     all in one line  there is no space in  -Sreplyto    I got this mail command from   apt-get install mailutils

User · Answer

http   www mindspill org 962 seems to have a solution   Essentially   echo  This is the main body of the mail    mail -s  Subject of the Email  recipent address example com -- -f from user example com

User · Answer

Thanks to all example providers  some worked for some not  Below is another simple example format that worked for me   echo  Sample body    mail -s  Test email  from sender-addrs example com recepient-addres example com

User · Answer

Here s a solution   The second easiest solution after -r  which is to specify a From  header and separate it from the body by a newline like this    mail -s  Subject  destination example com  From  Joel  lt joel example com gt    Hi       works in only a few mail versions  don t know what version redhat carries    PS  Most versions of mail suck

User · Answer

You can specify any extra header you may need with -a   mail -s  Some random subject  -a  From  some mail tld  to mail tld

User · Answer

on CentOs5  -r from me omg

User · Answer

None of the above worked for me  And it took me long to figure it out  hopefully this helps the next guy   I m using Ubuntu 12 04 LTS with mailutils v2 1   I found this solutions somewhere on the net  don t know where  can t find it again   -aFrom Servername-Server mydomain com   Full Command used   cat  root Reports ServerName-Report- DATE txt   mail -s  Server-Name-Report- DATE  myemailadress mydomain com -aFrom Servername-Server mydomain com

User · Answer

Most people need to change two values when trying to correctly forge the from address on an email   First is the from address and the second is the orig-to address   Many of the solutions offered online only change one of these values   If as root  I try a simple mail command to send myself an email it might look like this   echo  test    mail -s  a test  me noone com  And the associated logs   Feb  6 09 02 51 myserver postfix qmgr 28875   B10322269D  from  lt root myserver com gt   size 437  nrcpt 1  queue active  Feb  6 09 02 52 myserver postfix smtp 19848   B10322269D  to  lt me noone com gt   relay myMTA x x x x  25  delay 0 34  delays 0 1 0 0 11 0 13  dsn 2 0 0  status sent  250 Ok 0000014b5f678593-a0e399ef-a801-4655-ad6b-19864a220f38-000000    Trying to change the from address with --   echo  test    mail -s  a test  me noone com -- dude thisguy com  This changes the orig-to value but not the from value   Feb  6 09 09 09 myserver postfix qmgr 28875   6BD362269D  from  lt root myserver com gt   size 474  nrcpt 2  queue active  Feb  6 09 09 09 myserver postfix smtp 20505   6BD362269D  to  lt me noone gt   orig to  lt dude thisguy com gt   relay myMTA x x x x  25  delay 0 31  delays 0 06 0 0 09 0 15  dsn 2 0 0  status sent  250 Ok 0000014b5f6d48e2-a98b70be-fb02-44e0-8eb3-e4f5b1820265-000000    Next trying it with a -r and a -- to adjust the from and orig-to   echo  test    mail -s  a test  -r dude comeguy com me noone com -- dude someguy com  And the logs   Feb  6 09 17 11 myserver postfix qmgr 28875   E3B972264C  from  lt dude someguy com gt   size 459  nrcpt 2  queue active  Feb  6 09 17 11 myserver postfix smtp 21559   E3B972264C  to  lt me noone com gt   orig to  lt dude someguy com gt   relay myMTA x x x x  25  delay 1 1  delays 0 56 0 24 0 11 0 17  dsn 2 0 0  status sent  250 Ok 0000014b5f74a2c0-c06709f0-4e8d-4d7e-9abf-dbcea2bee2ea-000000    This is how it s working for me   Hope this helps someone

User · Answer

echo  This is the main body of the mail    mail -s  Subject of the Email  recipent address example com -- -f from user example com -F  Elvis Presley    or  echo  This is the main body of the mail    mail -s  Subject of the Email  recipent address example com -aFrom  Elvis Presley lt from user example com gt

User · Answer

When sending over SMTP  the mail man page advises to set the from variable  in this way  Tested on CentOS 6    mail -s Subject -S from sender example com recipient example com   You could also attach a file using the -a option   mail -s Subject -S from sender example com -a path to attachement recipient example com

User · Answer

I faced the same issue  But i solved the problem just be setting geko field in  ect passwd field  Postfix by default send the mail from user login  Lets suppose you want to change from field to Alert  You just need to edit  ect passwd file in any editor you like    vim  ect passwd   root x 0 0 Alerts  root  bin bash   Restart postfix    Now check the result    echo  This is the main body of the mail    mail -s  Subject of the Email  user domain com   Now in recipient  From will be shown as Alerts as you have specified in geko field  Hope this solution works for you

[linux] Specify the from user when sending email using the mail command

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