It seems that POSTFIX is checking the DNS for that domain (ZOOM4U) and for some reason its taking too long.
On Tue, Mar 15, 2011 at 1:42 PM, Rafael Azevedo <raf...@gmail.com> wrote: > Hi Ralf, > > I've already tried that. I did disable dkim and the delay time almost > didnt change. > > Thanks > > > On Tue, Mar 15, 2011 at 1:39 PM, Ralf Hildebrandt > <ralf.hildebra...@charite.de> wrote: >> * Rafael Azevedo <raf...@gmail.com>: >>> Wietse, >>> >>> I use this settings: >>> >>> FROM: "raf...@zoom4u.com.br" >>> SENDER: "reto...@iagentemail.com.br" >>> REPLY TO = FROM >> >> Well, postfix doesn't log that. Postfix is only logging the envelope >> sender ("SENDER" in your case) >> >>> So the email is sent as reto...@iagentemail.com.br but using FROM >>> raf...@zoom4u.com.br because we want to receive every email bounce on >>> "reto...@iagentemail.com.br". >> >> Yes, that's ok >> >>> We only change the FROM and REPLY to addresse, but when using ZOOM4U >>> as "FROM" it really slows down connection speed. >> >> Please try disabling DKIM :) >> >> -- >> Ralf Hildebrandt >> Geschäftsbereich IT | Abteilung Netzwerk >> Charité - Universitätsmedizin Berlin >> Campus Benjamin Franklin >> Hindenburgdamm 30 | D-12203 Berlin >> Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 >> ralf.hildebra...@charite.de | http://www.charite.de >> >> >