Error you are getting iis from recipient server. I found your IP listed in UCEPROTECT LEVEL 2 & 3. But people rarely use it. Check the link below:
http://www.mxtoolbox.com/SuperTool.aspx?action=blacklist%3a200.171.85.146 Regards, Amit At Wednesday, 07-04-2010 on 1:25 Thiago - TI - Realeza wrote: Hummm I´m using Barracuda as blacklist in my Server… And looking up on Barracuda Central, I got this: The ip address 200.171.85.146 is not currently listed as "poor" on the Barracuda Reputation System. Thiago DE: Jake Vickers [mailto:j...@qmailtoaster.com] ENVIADA EM: terça-feira, 6 de abril de 2010 16:42 PARA: qmailtoaster-list@qmailtoaster.com ASSUNTO: Re: [qmailtoaster] Error 554 On 04/06/2010 01:49 PM, Thiago - TI - Realeza wrote: Hello list! Does anybody get this error ? @400000004bbb708a1c6b7d64 delivery 243: deferral: Connected_to_212.80.169.25_but_greeting_failed./Remote_host_said:_554-mail.ficosa.com/554_Your_access_to_this_mail_system_has_been_rejected_due_to_the_sending_MTA's_poor_reputation. _If_you_believe_that_this_failure_is_in_error,_please_contact_the_intended_recipient_via_alternate_means./ I´m looking how to fix this up, but I don’t get…. Any help ? Thanks Thiago I believe this is the response when you have been listed with Barracuda's list. Basically the other server says the domain in question has been blasklisted and is not accepting emails from it. I am away from my stuff, so I cannot check Barracuda's free RBL to see if it's listed or not. Maybe someone else on the list can help you with this.