This is a discussion on RE: Help for Bed-n-Breakfast in Brasil - SpamAssassin ; > -----Original Message----- > From: poohah [mailto email@example.com] > Sent: Sunday, April 13, 2008 1:49 PM > > > Hi All, here is what I have so far. > > Hello Steve, Today our specialist did the investigation. His resume ...
> -----Original Message-----
> From: poohah [firstname.lastname@example.org]
> Sent: Sunday, April 13, 2008 1:49 PM
> Hi All, here is what I have so far.
> Hello Steve, Today our specialist did the investigation. His resume of
> problem is the following: - SMTP server has an influence on spam
> marking by
> Yahoo but not only it; - if a message contains some web-site URL it
> also has
> an influence on spam marking by Yahoo; you can visit the test page
> http://pousada.com.br/test.php and try to send mails with different
> no checkbox selected means a "clear" message without links to Pousada
> "spam" option sends a message as is, like in original with two links to
> pousada.com.br; and "to HTML" - it sends message which was formatted
> HTML tags. our test shows that only in the first case, the message
> into Inbox, but with options "spam" and "to HTML" - when links present
> message - the messages are placed to Bulk/Spam folder;and moreover if
> replace pousada.com.br with some other URL, for example google.com -
> message goes to Inbox also. So the problem is in the spam filtering
> rules on
> Yahoo mail servers - we can't change that.
Maybe Yahoo penalizes .br URIs in messages.
Try contacting the yahoo staff.
> The only way is to change
> message text - excluding pousada.com.br as a link and replace it with
> title or something else.
> poohah wrote:
> > Hello first thing I would like to say is thanks for all the help and
> > suggestions so far, sorry for the delay in replying but I was trying
> > understand all the suggestions.
> > I will add a few things to clarify what is actually happening.
> > I have a website www.pousada.com.br in Brazil. It is hosted on
> > servers and also the Godaddy mail servers.
> > Now basicly when I send an email directly from my email address there
> > not seem to be a problem.
> > When I send an email directly through my booking system it is getting
> > blocked by many spam filters, being put into Yahoo mail filter,
> > quarentined ect ect.
> > I have set up a test Pousada (bed and Breakfast) for you to try, if
> you do
> > a test booking you can see the headers ect. The Pousada is here
> > http://www.pousada.com.br/index.php?pid=345&user=det
> > I have also put together all the suggestions and I am not sure where
> > start. Any help would be greatly appreciated.
> > Below is all the suggestions I have been given.
> >>> > Having an PTR like ip-72-167-52-118.ip.secureserver.net does not
> >>> > look like someone had the intention to run a mailrelay on.
> >>> >
> >>> > With such an PTR you will not just be blocked by
> >>> > UCEPROTECT-Appliances, you can expect wide delivery problems out
> >>> > there.
> >>> >
> >>> > So my suggestion to you is to get individual PTR's for IP's you
> >>> > want to use as mailservers.
> >> --------------
> >> Can someone help him along form here? He isn't really an email guy,
> >> so "PTR record" doesn't tell him how to fix things. Remember this is
> >> Brasil, so there may be difficulties in getting things set up
> >> properly. Perhaps someone from there could offer some suggestions?
> > The explanation you're quoting is pretty good - the mailserver is on
> > ip-72-167-52-118.ip.secureserver.net. which just does not look like a
> > mail-server.
> > He really needs to start by getting 'secureserver.net' to setup a
> > proper reverse mapping :
> > 220.127.116.11 pointing to 'mail.pousada.com.br'.
> > This is also called a PTR record.
> > He has to contact secureserver.net in order to obtain a better PTR
> > The best one would be the one matching the name its server uses in
> > announcing to remotes. In example, if it announces as mx1.beb.br,
> > that
> > would be the best fq name for the PTR record.
> > But I believe this is not a mandatory requirement in SA, since it at
> > checks for dialup and residential PTRs as well as for the contacting
> > matching the resolved MX-announced name (no PTR check here). However,
> > ISP may enforce this kind of check in their AS facilities.
> >> It looks to me like dynamic 18.104.22.168 submitted mail to its smtp
> >> server 22.214.171.124. Why is that bad?
> > My understanding is that his server _is_ 126.96.36.199. his From
> > indicates pousada.com.br:
> > $ host -t mx pousada.com.br
> > pousada.com.br mail is handled by 10 mail.pousada.com.br.
> > $ host mail.pousada.com.br
> > mail.pousada.com.br has address 188.8.131.52
> > so he has a generic rDNS:
> > $ host 184.108.40.206
> > 220.127.116.11.in-addr.arpa domain name pointer
> > ip-72-167-52-118.ip.secureserver.net
> > and this will cause delivery problems nowadays.
> > In addition, his server helos with Pousada.com.br.secureserver.net
> > does not resolve.
> > and
> > $ telnet 18.104.22.168 25
> > ...
> > 220 Pousada.com.br.secureserver.net ESMTP
> > so the hostname in the banner seems to be another one:
> > $ host Pousada.com.br.secureserver.net
> > Host Pousada.com.br.secureserver.net not found: 3(NXDOMAIN)
> > oops.
> > I use secureserver.net to host my domain name and I also run my own
> > I don't suffer from this problem, so if he rearranges his setup so it
> > similar to mine the chances are the problem will go away.
> > As I said, Secureserver.net is my domain host. Apart from having the
> > definitive DNS records it does just two things for me:
> > - it forwards e-mail to my ISP's mail server
> > - it forwards web requests to my website host.
> > I run Postfix as my MTA. Its configured to forward all outgoing mail
> > my ISP's mail server with a 'relay_host' directive. Other MTAs will
> > probably have equivalent rules available. This way my sending IP
> > appear in dynamic/residential blacklists.
> > He could try a similar setup fairly easily. My guess is that he's
> > the same system as me to receive mail but is failing to direct
> > mail through his ISP's MTA.
> > He is apparently relaying via k2smtpout06-
> > which looks like an "official" godaddy server.
> > Martin Gregorie-2 wrote:
> >> On Wed, 2008-04-02 at 21:03, mouss wrote:
> >>> He is apparently relaying via k2smtpout06-
> >>> which looks like an "official" godaddy server.
> >> In that case I'm confused: I thought his problem was described as
> >> due his MTA sending mail from a residential block of IPs.
> >> The message I'm replying to came through
> >> smtp01-02.prod.mesa1.secureserver.net on its way here. I'd would not
> >> expect any of secureserver.net's outgoing MTAs to be blacklisted.
> >> evidently supply domain hosting and mail forwarding services to a
> >> of domain registrars: my registrar is not GoDaddy and is not AFAIK
> >> associated with them.
> >> Martin
> View this message in context: http://www.nabble.com/Help-for-Bed-n-
> Sent from the SpamAssassin - Users mailing list archive at Nabble.com.