i did not know the different between mail and sendmail

i actually use mail , not sendmail, sorry

for example

echo "please dont reply this email" | mail -v -s 'this is a test mail' -r [email protected] [email protected]



On 12/27/2015 11:52 AM, Mark Sapiro wrote:
my issue is when i send a email by using sendmail commandline to mailist
, maillist services can not read this message correctly , the message
will become a "Message has implicit destination" warning , but it did
have a subject and i pretty sure that i have a subject and i did not use
cc or bcc .

The message file that you sent did not contain a To: header with the
list address.

The sendmail command, unlike the mail command, does not add headers to
the input and your message must have a To: header with the list address
in order to not be flagged for implicit destination.

In other words if you are sending the message with some command like

sendmail -r [email protected] [email protected] < input_file

the file input_file must contain things like

--------------------------------------------------
To: [email protected]
From: [email protected]
Subject: The message subject

The body
of the message
--------------------------------------------------

The sending MTA will probably add headers like Message-ID: and Date:,
but it won't add To: which is your issue.

If you want to use a command line command that will add header like To:
and Subject: use the mail command, not the sendmail command.


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