sendmail with mailtrap.io (linux)

sendmail_mailtrap.info

sudo -s

cd /etc/mail
mkdir /etc/mail/auth
cd /etc/mail/auth
echo 'AuthInfo: "U:root" "I:mailtrap-username" "P:mailtrap-password"' > mailtrap-info
makemap -r hash mailtrap-info.db < mailtrap-info
cd .. [cd /etc/mail]

cp sendmail.mc sendmail-mailtrap.mc
nano sendmail-mailtrap.mc
# Add next lines before MAILER_DEFINITIONS
dnl # MAILTRAP FORWARDING
define(`SMART_HOST',`[smtp.mailtrap.io]')dnl
define(`RELAY_MAILER_ARGS', `TCP $h 2525')dnl
define(`ESMTP_MAILER_ARGS', `TCP $h 2525')dnl
define(`confAUTH_OPTIONS', `A p')dnl
TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
FEATURE(`authinfo',`hash -o /etc/mail/auth/mailtrap-info.db')dnl

m4 sendmail-mailtrap.mc > sendmail.cf
service sendmail restart
echo "test" | sendmail [email protected]