On 2014-09-29 21:35, Gilles Chehade wrote:
> On Mon, Sep 29, 2014 at 11:50:41AM -0300, Hugo Osvaldo Barrera wrote:
> > 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
> > > >>>>
> > > >>>> -- 
> > > >>>> You received this mail because you are subscribed to 
> > > >>>> [email protected]
> > > >>>> To unsubscribe, send a mail to: [email protected]
> > > >>>>
> > > >>>
> > > >>> 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
> > > 
> > > -- 
> > > You received this mail because you are subscribed to [email protected]
> > > To unsubscribe, send a mail to: [email protected]
> > > 
> > 
> > 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,
> > 
> 
> Ok, what about the following:
> 
> - we read n lines, strip their newline and concat them;
> - if reply was > n line, we log that output was truncated and needs to
>   be analyzed through smtpctl trace
> 
> Would that be ok for everyone ?
> 
> 
> -- 
> Gilles Chehade
> 
> https://www.poolp.org                                          @poolpOrg

Sounds good to me.
Maybe some users will want this to be configurable (on/off).

-- 
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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