Asai a écrit : > Greetings, > > Recently this error was reported from a user: > "Your reverse DNS entry does not resolve. (in reply to RCPT TO command))" > She was sending from Thunderbird through our SMTP server using an email > alias. > > Can anyone explain why this would happen? >
$ host 140.99.28.186 186.28.99.140.in-addr.arpa domain name pointer 186.aquarian.com. $ host 186.aquarian.com Host 186.aquarian.com not found: 3(NXDOMAIN) so 186.aquarian.com doesn't exist.