email - Attempting to send mail with sendmail on ubuntu 17.04? -


i first installed sendmail on ubuntu 17.04 running sudo apt-get install sendmail , made sure hostname of machine added /etc/hosts/ right after localhost this: 

127.0.0.1 localhost myhostname

i ran sudo sendmailconfig , answered yes questions. i'm trying send mail. this:

echo "subject: sendmail test" | sendmail -v me@gmail.com

sendmail prints following:

    ole@mki:~$ echo "subject: sendmail test" | sendmail -v me@gmail.com      warning: local host name (localhost) not qualified; see cf/readme: i?     me@gmail.com... connecting [127.0.0.1] via relay...     220 localhost esmtp sendmail 8.15.2/8.15.2/debian-8ubuntu1; mon, 14 aug 2017 14:28:56 -0500; (no uce/ube) logging access from: localhost(ok)-localhost [127.0.0.1]     >>> ehlo localhost     250-localhost hello localhost [127.0.0.1], pleased meet     250-enhancedstatuscodes     250-pipelining     250-expn     250-verb     250-8bitmime     250-size     250-dsn     250-etrn     250-auth digest-md5 cram-md5     250-deliverby     250     >>> verb     250 2.0.0 verbose mode     >>> mail from:<ole@localhost> size=23 auth=ole@localhost     250 2.1.0 <ole@localhost>... sender ok     >>> rcpt to:<me@gmail.com>     >>> data     250 2.1.5 <ole.ersoy@gmail.com>... recipient ok     354 enter mail, end "." on line     >>> .

i'm not sure i'm supposed @ point. tried putting "." on line , returning nothing happens. if press ctrl c prompt buy email not appear in gmail inbox. thoughts?


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