On Thursday 01 November 2007 15:56, GDS.Marshall wrote:
> On Thu, 1 November, 2007 10:04 am, Kern Sibbald wrote:
> > On Wednesday 31 October 2007 21:20, Chris Hoogendyk wrote:
> >> Kern Sibbald wrote:
> >> > On Wednesday 31 October 2007 19:26, Augusto Lima wrote:
> >> >> Kern
> >> >>
> >> >> I'm having problems sending emails to the list. For a test, i'm
> >>
> >> sending
> >>
> >> >> you a e-mail copying it to the list of bacula users. Have you seen
> >>
> >> this
> >>
> >> >> kind of error before?
> >> >
> >> > Source Forge is *very* strict about who can send to a list. You must
> >> > comply with all the email RFCs.  Typically things such as greylisting
> >> > break it, not having reverse lookups, not having a postmaster account
> >>
> >> in
> >>
> >> > your domain, ...
> >> >
> >> > They have documented those things on their site, and if you cannot
> >>
> >> figure
> >>
> >> > it out the only solution is for you to open a trouble ticket with
> >>
> >> them.
> >>
> >> greylisting? Why should that affect who can send to the list?
> >> Greylisting works on the mail receipt end, not when sending. I'm on
> >> several sourceforge lists and a member of a project, and I've never had
> >> any trouble. I use greylisting and a lot of other techniques to
> >> eliminate the spam hitting our front door. It's very common.
> >>
> >> I tried to find the documentation on the sourceforge site, but could
> >> not. Using google to search their site didn't help either (google
> >> "greylist site:sourceforge.net"), because they host at least a half a
> >> dozen different projects that implement greylisting for various mail
> >> configurations. ;-)
> >
> > I am not sure if Source Forge explicitly discusses grey listing in their
> > documentation, but strangely enough, just a few days ago, a friend of
> > mine for whom my server acts as a mail relay  (MX) asked me to check my
> > server log
> > for failure messages from Source Forge because he was having similar
> > problems
> > to the ones reported by Augusto.  Along with the log extract, I suggested
> > a
> > number of things, and also mentioned that I had whitelisted the Source
> > Forge
> > sites in my grey lister.  He did the same, and the problem went away --
> > so you figure it.
>
> Not sure if sourceforge do it, but if they do callout, you try send an
> e-mail through their server, their server calls your e-mail server to
> verify you really exist, (helo ... mail from: <> rcpt to: <[EMAIL 
> PROTECTED]>)and
> yours greylists it.  Only sourceforge server does not know this, it just
> sees it as a rejection and fails your e-mail....
>
> I had a similar problem with one of the mail servers I manage and another
> company rejecting our e-mail, once the greylist section was moved further
> down, it worked, without changing any real functionality.

That is very interesting and could well be the basis of the problem.  
Fortunately, SF is easy to whitelist -- I just whitelisted their whole IP 
range (66.35.250.0/24) or if you want to be ultra conservative, only two IP 
addresses were critical (for me).

Regards,

Kern

>
> Spencer
>
> > Kern
> >
> >> ---------------
> >>
> >> Chris Hoogendyk
> >>
> >> -
> >>    O__  ---- Systems Administrator
> >>   c/ /'_ --- Biology & Geology Departments
> >>  (*) \(*) -- 140 Morrill Science Center
> >> ~~~~~~~~~~ - University of Massachusetts, Amherst
> >>
> >> <[EMAIL PROTECTED]>
> >>
> >> ---------------
> >>
> >> Erdös 4
> >
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