отправка почты под внешним аккаунтом bash linux

/etc/mail.rc

#set smtp-use-starttls

#set ssl-verify=ignore

set smtp=smtp://myip:25

set smtp-auth=plain

set smtp-auth-user=mail_user

set smtp-auth-password=pass_user

set from=mail_user@domain

set nss-config-dir="/etc/pki/nssdb/"

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echo "Bob-Bom" | mail -v -s "OK" mail2@domain