Mailx send html message

Question

I want to send a html message with Mailx  When I try the following command  mailx -s  Subject   user gmail com   lt  email html    I get the content of email html in plain text  In the message the header Content-Type is set to text plain  The -a option tries to send a file so I didn t find out how to modify the header  This answer almost worked  it sets well the Content-Type to text html but doesn t substitute the default Content-Type which is text plain    mailx -s    echo -e  This is the subject nContent-Type  text html    user gmail com   lt  email html   gives this result    From  send gmail com To  user gmail com Subject  This is the subject Content-Type  text html Message-ID   lt 538d7b66 Xs0x9HsxnJKUFWuI maikeul06 gmail com gt  User-Agent  Heirloom mailx 12 4 7 29 08 MIME-Version  1 0  boundary    538d7b66 z5gaIQnlwb1f AOkuuC GwF1evCaG XIHQMbMMxbY6satTjK   This is a multi-part message in MIME format   --  538d7b66 z5gaIQnlwb1f AOkuuC GwF1evCaG XIHQMbMMxbY6satTjK Content-Type  text plain  charset us-ascii Content-Transfer-Encoding  7bit Content-Disposition  inline   lt html gt   lt body gt   lt p gt Helo wolrd lt  p gt   lt  body gt   lt  html gt    PS   I also tried with uuencode  When I try to display the message in the webmail I get a blank page

User · Answer

I had successfully used the following on Arch Linux (where the -a flag is used for attachments) for several years:

mailx -s "The Subject $( echo -e "\nContent-Type: text/html" [email protected] < email.html

This appended the Content-Type header to the subject header, which worked great until a recent update. Now the new line is filtered out of the -s subject. Presumably, this was done to improve security.

Instead of relying on hacking the subject line, I now use a bash subshell:

(
    echo -e "Content-Type: text/html\n"
    cat mail.html
 ) | mail -s "The Subject" -t [email protected]

And since we are really only using mailx's subject flag, it seems there is no reason not to switch to sendmail as suggested by @dogbane:

(
    echo "To: [email protected]"
    echo "Subject: The Subject"
    echo "Content-Type: text/html"
    echo
    cat mail.html
) | sendmail -t

The use of bash subshells avoids having to create a temporary file.

User · Answer

There are many different versions of mail around  When you go beyond mail -s subject to1 address1 to2 address2    With some mailx implementations  e g  from mailutils on Ubuntu or Debian s bsd-mailx  it s easy  because there s an option for that   mailx -a  Content-Type  text html  -s  Subject  to address  lt test html  With the Heirloom mailx  there s no convenient way  One possibility to insert arbitrary headers is to set editheaders 1 and use an external editor  which can be a script       Prepare a temporary script that will serve as an editor      This script will be passed to ed  temp script   mktemp  cat  lt  lt  EOF   gt  gt   temp script  1a Content-Type  text html    r test html w q EOF    Call mailx  and tell it to invoke the editor script EDITOR  ed -s  temp script  heirloom-mailx -S editheaders 1 -s  Subject  to address  lt  lt EOF  e   EOF rm -f   temp script   With a general POSIX mailx  I don t know how to get at headers    If you re going to use any mail or mailx  keep in mind that   This isn t portable even within a given Linux distribution  For example  both Ubuntu and Debian have several alternatives for mail and mailx  When composing a message  mail and mailx treats lines beginning with   as commands  If you pipe text into mail  you need to arrange for this text not to contain lines beginning with      If you re going to install software anyway  you might as well install something more predictable than mail Mail mailx  For example  mutt  With Mutt  you can supply most headers in the input with the -H option  but not Content-Type  which needs to be set via a mutt option   mutt -e  set content type text html  -s  hello   to address   lt test html   Or you can invoke sendmail directly  There are several versions of sendmail out there  but they all support sendmail -t to send a mail in the simplest fashion  reading the list of recipients from the mail   I think they don t all support Bcc    On most systems  sendmail isn t in the usual  PATH  it s in  usr sbin or  usr lib   cat  lt  lt  EOF  - test html    usr sbin sendmail -t To  to address Subject  hello Content-Type  text html  EOF

User · Answer

Well  the  -a  mail and mailx in Centos7 is  attach file  not  append header    My shortest path to a solution on Centos7 from here   stackexchange com  Basically   yum install mutt mutt -e  set content type text html  -s  My subject  me my com  lt  msg html

User · Answer

If you use AIX try this This will attach a text file and include a HTML body If this does not work catch the output in the  var spool mqueue     usr bin kWh if        lt  1     then   echo   n tSyntax    basename  MAILTO SUBJECT BODY html ATTACH txt     echo   tmailzatt    exit fi export MAILTO   1-noreply visweb co za  MAILFROM   whoami  SUBJECT   2- mailzatt   export BODY   3- apps bin attch txt  export ATTACH   4- apps bin attch txt  export HST   hostname   export BODY   wrk stocksum report html   export ATTACH   wrk stocksum Report txt   export MAILPART  uuidgen     Generates Unique ID  export MAILPART BODY  uuidgen     Generates Unique ID export MAILPART        date   d S           Generates Unique ID export MAILPART BODY        date   d Sbody           Generates Unique ID   echo  To   MAILTO   echo  From  mailmate  HST    echo  Subject   SUBJECT   echo  MIME-Version  1 0   echo  Content-Type  multipart mixed  boundary    MAILPART     echo     echo  -- MAILPART   echo  Content-Type  multipart alternative  boundary    MAILPART BODY     echo     echo     echo  -- MAILPART BODY   echo  Content-Type  text html   echo  Content-Disposition  inline   cat  BODY  echo     echo  -- MAILPART BODY--   echo     echo  -- MAILPART   echo  Content-Type  text plain   echo  Content-Disposition  attachment  filename     basename  ATTACH      echo     cat  ATTACH  echo     echo  --  MAILPART --         usr sbin sendmail -t

User · Answer

It s easy  if your mailx command supports the -a  append header  option     mailx -a  Content-Type  text html  -s  my subject  user gmail com  lt  email html   If it doesn t  try using sendmail     create a header file   cat mailheader To  user gmail com Subject  my subject Content-Type  text html    send   cat mailheader email html   sendmail -t

User · Answer

EMAILCC   -c user1 dominio cl user2 dominio cl  TURNO EMAIL  user dominio cl   mailx  EMAILCC -s    echo  Status  Control Aplicactivo  nContent-Type  text html     TURNO EMAIL  lt  tmp tmp

[html] Mailx send html message

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