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fkeles

May 3rd, 2025

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## send mail using mailx
# install
sudo dnf install -y postfix
sudo systemctl start postfix
sudo systemctl enable postfix
# open local port
sudo firewall-cmd --permanent --add-port=25/tcp
sudo firewall-cmd --reload
sudo dnf install mailx
# configure
sudo tee -a /etc/mail.rc > /dev/null <<EOF
set smtp=smtp://smtp.email.me-dubai-1.oci.oraclecloud.com:587
set smtp-auth-user='ocid1.user.oc1..<userid>@ocid1.tenancy.oc1..<tenancyid>.qx.com'
set smtp-auth-password='<smtpcredentials>'
set smtp-auth=plain
set smtp-use-starttls
set ssl-verify=ignore
EOF
# check
sudo cat /etc/mail.rc
#set smtp=smtp://smtp.email.me-dubai-1.oci.oraclecloud.com:587
#set smtp-auth-user='ocid1.user.oc1..<userid>@ocid1.tenancy.oc1..<tenancyid>.qx.com'
#set smtp-auth-password='<smtpcredentials>'
#set smtp-auth=plain
#set smtp-use-starttls
#set ssl-verify=ignore
# send email
echo "This is a test email from Mailx." | mailx -s "Test Email" -r info@codeharmony.net me@gmail.com

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