On 2014-09-05 19:22, Giovanni Bechis wrote:
> On 09/01/14 18:53, Hugo Osvaldo Barrera wrote:
> > On 2014-09-01 11:46, Gilles Chehade wrote:
> >> On Sat, Aug 23, 2014 at 12:28:00PM -0300, Hugo Osvaldo Barrera wrote:
> >>> On 2014-08-22 18:32, Giovanni Bechis wrote:
> >>>> On 08/22/14 14:30, Hugo Osvaldo Barrera wrote:
> >>>>> I recently had some messages bounce from gmail.com. I went up to their 
> >>>>> forums
> >>>>> to ask what's up, and on the replies, it was pointed out to my that 
> >>>>> gsmtpd
> >>>>> actually sends a rather verbose explanation message when it bounces 
> >>>>> messages
> >>>>> (eg: if it's spam, invalid return address, blacklisted address, etc).
> >>>>>
> >>>>> Here's the thread were this was pointed to me. I'm guessing that 
> >>>>> sending an
> >>>>> email from a non-static IP range is enough to trigger a bounce 
> >>>>> harmelessly:
> >>>>> https://productforums.google.com/forum/#!msg/gmail/SQQAbew5tfE/-ue8aO07sf8J
> >>>>>
> >>>>> Can somebody confirm if these explanations are being dropped by smtpd, 
> >>>>> if
> >>>>> they're non-standard, or what's going on?
> >>>>>
> >>>> gmail warnings are splitted in two or more lines and smtpd logs only one 
> >>>> of them.
> >>>> See https://github.com/OpenSMTPD/OpenSMTPD/issues/365 for details.
> >>>>  Cheers
> >>>>   Giovanni
> >>>>
> >>>> -- 
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> >>>>
> >>>
> >>> Looks like the devs were expecting this to make it to the list and it did 
> >>> not.
> >>> Can we bring that up now? Are there any downsides to implementing this?
> >>>
> >>
> >> Yes, we were waiting for the discussion to come up.
> >>
> >> There's a downside to implementing this:
> >>
> >> Imagine you create an account for me on your server.
> >> I then decide to go rogue and setup a remote MX which will reply with
> >> a HUGE response, say 1000s of lines.
> >>
> >> We need to log atomically so:
> >>
> >> a- log line can't be written until we're done reading response;
> >> b- session needs to remember every line of the response until done reading;
> >>
> > 
> > Can't we not-log all of it, but keep the message and send it to the original
> > sender?
> > 
> > The logs could be something like:
> > 
> >   "550 Error... [25 more lines trimmed]"
> > 
> I would like to have at maximum 5/6 lines of response on my log to be able to 
> found if a problem is recurring and which could be the original cause.
>  Cheers
>   Giovanni
> 
> -- 
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> 

It looks like this thread died fast, and nothing was decided.
Is there any interest on implementing this/making it configurable?

Would these errors be outputed if smtpd is run with "-v"?

Cheers,

-- 
Hugo Osvaldo Barrera
A: Because we read from top to bottom, left to right.
Q: Why should I start my reply below the quoted text?

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