El mar., 4 de ago. de 2020 a la(s) 13:13, Viktor Dukhovni (
postfix-us...@dukhovni.org) escribió:

> On Tue, Aug 04, 2020 at 12:26:03PM -0300, SysAdmin EM wrote:
>
> > I think I understand that the "queue_run_delay" parameter is used to
> retry
> > an email.
> >
> > Aug  4 12:19:26 smarthost03-ded postfix/smtp[14720]: 68E2A18001AF1:
> >   host mx8.webfaction.com[185.20.49.163] said:
> >   450 4.2.0 <ism...@ilaviola.com.ar>: Recipient address rejected:
> >   Greylisted for 300 seconds (in reply to RCPT TO command)
> > Aug  4 12:19:29 smarthost03-ded postfix/smtp[14720]: 68E2A18001AF1:
> >   to=< ism...@ilaviola.com.ar>, relay=mx7.webfaction.com
> [185.20.49.162]:25,
> >   delay=5 .9, delays=0.5/0/4.2/1.2, dsn=2.0.0, status=sent (250 2.0.0 Ok:
> >   queued as 2B4C2209E59E8)
> > Aug  4 12:19:29 smarthost03-ded postfix/qmgr[11588]: 68E2A18001AF1:
> removed
> >
> > The first attempt was at 12:19:23 and then retry 12:19:29, I just wait 3
> > seconds.
>
> That was not a "retry" of a deferred message, rather it was the same
> delivery attempt via a second MX host after the primary temp-failed.
>
>     ilaviola.com.ar. IN MX 10 mx7.webfaction.com.
>     ilaviola.com.ar. IN MX 10 mx8.webfaction.com.
>     ilaviola.com.ar. IN MX 10 mx9.webfaction.com.
>
> > Could it be that the retry value is not correctly set?
>
> No, the message never went back into the queue, since it was delivered
> on the first attempt.  The second MX host tried did not enforce
> greylisting.
>
> Any recommendation  to avoid retrying the second mx? in some cases when
retrying the second mx we also represent the grey list error.


> --
>     Viktor.
>

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