If you want to include your ISP's mail services, you'll need to know if
your ISP even uses SPF (most do).
- You could call them... good luck getting to talk to someone who
knows what SMTP even stands for with most ISPs!...
- Or, you could dig around a little....
Locally, brighthouse networks (actually roadrunner) is a major ISP
-- but until now, I didn't know if they used SPF... how did I find out?
- *dig txt tampabay.rr.com*
tells me that they have a dedicated record for SPF entries:
a._spf.rr.com
- *dig txt a._spf.rr.com*
tells me that all rr mail is getting sent through one of 4
"public" servers
So, assuming my private mail server is at address 1.1.1.1, and assuming
(for example) that you're a roadrunner customer, your SPF record would
look like:
*@ IN TXT "v=spf1 include:a._spf.rr.com ip4:1.1.1.1 ~all"*
NOTE: At least for a while, I recommend using the ~all -- once you're
sure things are working, switch to -all.
- the ~all means you're just testing SPF... failures are "soft fail"
failures, so most servers will still accept failed SPF messages on your
domain.
- the -all says you're fully implementing SPF and failures are "hard
failures" and you're asking receiving servers to reject failed messages
This'll get you started!
Dan McAllister
On 9/12/2013 1:13 AM, ChandranManikandan wrote:
Hi Eric,
Thanks for your help. I understand my problem now.
My domain is hosting with my service provider. But our email and web
server is running in house. So they are redirect our domain to our
server public ip.
My server spfbehaviour is 3 now and suggest me
How to make spf for my domain. This spf need to make myself or hosting
provider.
If i need to make myself kindly give me the default spf syntax example.
I saw the spf syntax but some how afraid to make myself. if you give
some example it will help full for me.
On Thu, Sep 12, 2013 at 12:36 AM, Eric Shubert <e...@shubes.net
<mailto:e...@shubes.net>> wrote:
On 09/10/2013 08:14 PM, ChandranManikandan wrote:
Hi All,
Am getting below message from server
Hi. This is the qmail-send program at mail.xxxx.net
<http://mail.xxxx.net> <http://mail.xxxx.net>.
I tried to deliver a bounce message to this address, but the
bounce bounced!
and shows unknown email address which is not sent email or
communicate
with them earlier. but they tried to send spam and am getting
bounce
message of our email address and it's receive this message
randomly .
So all our users forward to me instead of they are getting
this message.
So how to receive all failure notice message in single email
address
only instead of receiving all our domain email account.
if possible to catch all failure notice bounce message to only
one email
account.
Please help me anyone.
--
*/Thanks & Best Regards,
Manikandan.C
/*
This is what's called backscatter.
http://en.wikipedia.org/wiki/Backscatter_%28email%29
Setting up SPF should help.
http://wiki.qmailtoaster.com/index.php/Spf
Dan posted a message to this list recently regarding SPF as well.
--
-Eric 'shubes'
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