* Rafael Azevedo <raf...@gmail.com>:
> Ralf,
> 
> No it isnt.
> 
> The delay is on the connection setup, as you can see:
> Mar 15 13:16:35 mxcluster postfix/smtp[31431]: 5E9C320EAC6:
> to=<di...@iagente.com.br>, relay=mx1.iagente.com.br[189.38.95.91]:25,
> delay=11, delays=0.58/0.01/ <<<<<5.2>>>>>  /5.2, dsn=2.0.0,
> status=sent (250 2.0.0 Ok: queued as CFB4A6DB6AC99)

Again, the log below doesn't show that. So it's not consistently slow.

> That setup connection delay happens when I use ZOOM4U domain as FROM
> (SENDER) domain.

Try disabling DKIM. Maybe the DKIM check on the receiving side is
failing in horrible ways (or is slow or or or)

> >> Mar 15 13:21:05 mxcluster postfix/smtpd[32624]: connect from 
> >> srv01.iagentemail.com.br[189.38.86.124]
> >> Mar 15 13:21:05 mxcluster postfix/smtpd[32624]: 4B5ED20FA17: 
> >> client=srv01.iagentemail.com.br[189.38.86.124]
> >> Mar 15 13:21:05 mxcluster postfix/cleanup[32629]: 4B5ED20FA17: 
> >> message-id=<cfa989796f031bc8b7ce2dcb36bcd...@iagentemail.com.br>
> >> Mar 15 13:21:05 mxcluster postfix/qmgr[32622]: 4B5ED20FA17: 
> >> from=<reto...@iagentemail.com.br>, size=631, nrcpt=2 (queue active)
> >> Mar 15 13:21:08 mxcluster postfix/smtp[32630]: 4B5ED20FA17: 
> >> to=<raf...@gmail.com>, relay=gmail-smtp-in.l.google.com[74.125.67.27]:25, 
> >> delay=3, delays=0.48/0.01/0.48/2, dsn=2.0.0, status=sent (250 2.0.0 OK 
> >> 1300205995 v5si10220362ybk.19)
> >> Mar 15 13:21:16 mxcluster postfix/smtp[32631]: 4B5ED20FA17: 
> >> to=<di...@iagente.com.br>, relay=mx3.iagente.com.br[189.38.95.5]:25, 
> >> delay=11, delays=0.48/0.02/0.33/10, dsn=2.0.0, status=sent (250 2.0.0 Ok: 
> >> queued as B8DEB1FDFA1D9)
> >> Mar 15 13:21:16 mxcluster postfix/qmgr[32622]: 4B5ED20FA17: removed
> >
> >> Mar 15 13:21:05 mxcluster postfix/smtpd[32624]: BEADA20FA21: 
> >> client=srv01.iagentemail.com.br[189.38.86.124]
> >> Mar 15 13:21:05 mxcluster postfix/cleanup[32629]: BEADA20FA21: 
> >> message-id=<dbb4e00eee98482ba5a38b204393b...@iagentemail.com.br>
> >> Mar 15 13:21:06 mxcluster postfix/qmgr[32622]: BEADA20FA21: 
> >> from=<reto...@iagentemail.com.br>, size=631, nrcpt=2 (queue active)
> >> Mar 15 13:21:08 mxcluster postfix/smtp[32633]: BEADA20FA21: 
> >> to=<raf...@gmail.com>, relay=gmail-smtp-in.l.google.com[74.125.67.27]:25, 
> >> delay=3, delays=0.47/0.01/0.47/2, dsn=2.0.0, status=sent (250 2.0.0 OK 
> >> 1300205996 c4si22142822ana.147)
> >> Mar 15 13:21:12 mxcluster postfix/smtp[32634]: BEADA20FA21: 
> >> to=<di...@iagente.com.br>, relay=mx2.iagente.com.br[189.38.95.92]:25, 
> >> delay=7, delays=0.47/0.02/0.32/6.2, dsn=2.0.0, status=sent (250 2.0.0 Ok: 
> >> queued as 39BA26DFCFC3D)
> >> Mar 15 13:21:12 mxcluster postfix/qmgr[32622]: BEADA20FA21: removed
> >
> >> Mar 15 13:21:16 mxcluster postfix/smtpd[32624]: connect from 
> >> srv01.iagentemail.com.br[189.38.86.124]
> >> Mar 15 13:21:16 mxcluster postfix/smtpd[32624]: 4034320FAC4: 
> >> client=srv01.iagentemail.com.br[189.38.86.124]
> >> Mar 15 13:21:16 mxcluster postfix/cleanup[32629]: 4034320FAC4: 
> >> message-id=<71101a571841567787cf650fdf6dc...@iagentemail.com.br>
> >> Mar 15 13:21:16 mxcluster postfix/qmgr[32622]: 4034320FAC4: 
> >> from=<reto...@iagentemail.com.br>, size=632, nrcpt=2 (queue active)
> >> Mar 15 13:21:18 mxcluster postfix/smtp[32630]: 4034320FAC4: 
> >> to=<raf...@gmail.com>, relay=gmail-smtp-in.l.google.com[74.125.67.27]:25, 
> >> delay=2.6, delays=0.1/0/0.46/2, dsn=2.0.0, status=sent (250 2.0.0 OK 
> >> 1300206006 x1si22136093anx.190)
> >> Mar 15 13:21:22 mxcluster postfix/smtp[32631]: 4034320FAC4: 
> >> to=<di...@iagente.com.br>, relay=mx2.iagente.com.br[189.38.95.92]:25, 
> >> delay=6.6, delays=0.1/0/0.31/6.2, dsn=2.0.0, status=sent (250 2.0.0 Ok: 
> >> queued as 438906DFD1E63)
> >> Mar 15 13:21:22 mxcluster postfix/qmgr[32622]: 4034320FAC4: removed
> >
> >
> >> Mar 15 13:21:16 mxcluster postfix/smtpd[32624]: 5A4A520FADE: 
> >> client=srv01.iagentemail.com.br[189.38.86.124]
> >> Mar 15 13:21:16 mxcluster postfix/cleanup[32629]: 5A4A520FADE: 
> >> message-id=<b18bac1205dff5edc6f56bd24ccd4...@iagentemail.com.br>
> >> Mar 15 13:21:16 mxcluster postfix/qmgr[32622]: 5A4A520FADE: 
> >> from=<reto...@iagentemail.com.br>, size=632, nrcpt=2 (queue active)
> >> Mar 15 13:21:18 mxcluster postfix/smtp[32633]: 5A4A520FADE: 
> >> to=<raf...@gmail.com>, relay=gmail-smtp-in.l.google.com[74.125.67.27]:25, 
> >> delay=2.6, delays=0.09/0/0.46/2, dsn=2.0.0, status=sent (250 2.0.0 OK 
> >> 1300206006 p36si10211256ybk.38)
> >> Mar 15 13:21:27 mxcluster postfix/smtp[32634]: 5A4A520FADE: 
> >> to=<di...@iagente.com.br>, relay=mx2.iagente.com.br[189.38.95.92]:25, 
> >> delay=11, delays=0.09/0/0.34/11, dsn=2.0.0, status=sent (250 2.0.0 Ok: 
> >> queued as 4059C6DFD3439)
> >> Mar 15 13:21:27 mxcluster postfix/qmgr[32622]: 5A4A520FADE: removed

-- 
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
            

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