__link__ - -20-869---orange.fr--wanadoo.fr--sfr.fr-.txt

If you see this -20-869 string combined with .txt , it is almost certainly a log fragment . Check your mail logs for the full line: grep "20-869" /var/log/mail.log

Understanding Email Error Codes: Why Your Messages to Orange, Wanadoo, and SFR are Failing -20-869---orange.fr--wanadoo.fr--sfr.fr-.txt

If you discovered a file with this name on your website’s server or your computer, it is a . If you see this -20-869 string combined with

Before Orange became a global household name, there was . Launched in 1995 by France Télécom, Wanadoo was the gateway to the internet for millions of French households. -20-869---orange.fr--wanadoo.fr--sfr.fr-.txt