Sender Policy Framework (SPF) is a technique to prevent e-mail sender address forgery. With SPF system administrators add information about allowed senders for particular domain in a DNS server's TXT and/or SPF record.
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What takes precedence: an SPF record with “-all” in the primary TXT record, or one in the “include” section?
Suppose I have a domain (company.com) with an SPF that looks like this:
v=spf1 ip4:70.70.70.70 include:host.marketing.com -all
and "host.marketing.com" looks like this
v=spf1 ip4:8.8.8.8 ~all
...
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2answers
33 views
Mixing SPF records
I have the usual Google Apps SPF record in my DNS:
v=spf1 include:_spf.google.com ~all
and now, since we are using ZenDesk, I should also add:
v=spf1 include:support.zendesk.com ~all
Should they ...
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1answer
28 views
Is using SOFTFAIL over FAIL in the SPF record considered best practice?
Or put another way, is using v=spf1 a mx ~all recommended over using v=spf1 a mx -all? The RFC does not appear to make any recommendations. My preference has always been to use FAIL, which causes ...
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1answer
40 views
Email home server, SPF & reverse dns questions [closed]
I want to set up my home email server. I've heard that my emails could be marked as spam if there is no SPF record or reverse dns. My ISP is cable TV, I have static ip, and reverse address which is ...
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1answer
24 views
Media Temple, SPF, and Changing IP Addresses
OK...so I have a hosting account with Media Temple and recently had problems with mail servers marking my sent emails as SPAM. I looked into the issue and read it's a good idea to implement SPF which ...
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2answers
36 views
SPF record for media temple domain and google together
Hello I'm trying to add an SPF record for our MT dv server as per this tutorial:
http://kb.mediatemple.net/questions/658/How+can+I+create+an+SPF+record+for+my+domain%3F#gs
Which instructs me to add ...
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1answer
28 views
Configure Sendmail to require valid SPF checks before accepting/relaying mail
We have an inbound email service that is very restrictive on who is allowed to send through our Sendmail gateways. The restrictions are generally controlled through the access file by marking ...
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2answers
81 views
hotmail blacklist and rDNS questions
My company has recently purchased a VPS for email and webhosting. I am not an expert on email authentication but here is my story.
After the VPS was purchased we started receiving bouncebacks with ...
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0answers
54 views
What is SPF record on company.com to let mailer.com send mails
Question: What is a valid SPF record on company.com so that an email can be sent from mailer.com with from address: bla@company.com ?
More info: I want to send out e-mails from mailer.com with a ...
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1answer
80 views
How to define TXT SPF record with multiple senders
My setup:
DNS hosted by BigCommerce which is our eCommerce and website host
BigCommerce automatically created an SPF record like this: "v=spf1 +a +mx include:_spf.bigcommerce.com -all"
I used a ...
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1answer
91 views
How to add an SPF record in Webmin?
I'm using VPS server with ubuntu 11.04 and webmin. And in one of my domain I'd like to use google apps, but neither in webmin panel nor in conf file I see a place to add this google spf record:
...
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0answers
40 views
exchange server 2010 outbound sendmail sends to some tested rbl, telnet not solved
We have outbound emails that are stuck at the queue after migrating our DC and the exchange server to 2010.
We have a single WAN IP address that all our traffic is going through. When we test the ...
2
votes
2answers
88 views
Setting an SPF record for all subdomains of my domain
Is this possible? Like a wildcard TXT record of some sort?
3
votes
3answers
54 views
Testing a mail server / server not making it to recipient
We have a Drupal website on a Linux server, it is using mail() to send mail through PHP. I think that would be using PHPmailer and sendmail.
Domain is www.myclientdomain.com and we can receive email ...
1
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0answers
59 views
Unable to install DKIM and SPF on your cPanel/WHM domain. No errors but DKIM test fails
The strangest thing.. And I'm pretty sure that the solution is fairly simple..
I'm trying to install DKIM and SPF for one of my domain hosted on a dedicated server with cPanel WHM..
I'm following ...
3
votes
3answers
187 views
set Google Apps SPF record in Amazon AWS Route 53
I'm using the new AWS GUI for Route 53 to setup my domain records. However, the AWS console won't accept the recommended Google Apps SPF record, v=spf1 include:_spf.google.com ~all (found here).
It ...
1
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1answer
19 views
Emailing as different domain from our IIS server
We have an enterprisey web application which uses .NET to send out email from our domain (oursite.com). This domain exists and has a valid SPF record and we've very rarely had spam issues with our ...
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2answers
160 views
What should be the spf record for my domain?
I have my own registered domain.
I have a dedicated IP for my domain.
I use a shared hosting service for my website.
I want to send mail with php's function mail();. I have created one email ...
4
votes
3answers
136 views
With valid SPF my mail header becomes huge -> high spamassasin score
I have a dedicated server with a survey system running on a subdomain. The parent domain is hosted on another server. I send email via google apps.
Reverse DNS is correct.
Without SPF og DKIM, the ...
0
votes
0answers
131 views
Setting SPF record on Amazon Route 53 with cli53 tool
My domain is already with Amazon Route 53 and I can use the cli53 command line tool quite happily to maintain it.
We are moving to use Amazon SES and I would like to add an SPF record to the domain, ...
1
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2answers
120 views
What's wrong with my SPF record?
This is my SPF record:
v=spf1 a ip4:111.222.333.444 include:_spf.google.com ~all
I sent a test email to my Gmail address and below are the headers.
I replaced real IP address with 111.222.333.444 ...
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3answers
992 views
Hotmail Sender ID always fails with “temperror” regardless of SPF
When we send mail to Hotmail servers, they do not recognize our Sender ID. In the receiving mail source, it reads
Authentication-Results: hotmail.com; sender-id=temperror ...
when it should say pass ...
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votes
1answer
60 views
Correct SPF for using google-apps with additional outbound mailserver
[Asked this on stackoverflow and was referred here]
We are developing a custom web app for a client. This app is on a separate server, server.com, than the client's web site, www.client.com. Each ...
3
votes
2answers
283 views
Do SPF Records For Primary Domain apply to subdomains?
I have a quick question regarding SPF records: Do they need to be present for all subdomains?
Lets say that I have a TXT record with SPF info for domain.com
Let's also say that I have a seperate ...
1
vote
2answers
100 views
Correct DNS settings for my server setup
I am struggling to understand the correct DNS settings for my server setup.
I have a web server with a single IP and 6 domains hosted on it. I got IIS6's SMTP virtual server working yesterday and ...
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2answers
76 views
SPF and DKIM configuration with postfix [closed]
I am using Centos-5 and have configured postfix mail server. How to i configure SPF and DKIM in Postfix.
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votes
1answer
88 views
SPF record (DNS)
Please help to set up a SPF record. I have found several SPF record generators but all questions are too complicated and I am afraid to make something wrong.
I want to allow sending mail only from:
...
0
votes
3answers
64 views
Sending email from a 3rd-party-hosted server
We contracted with a 3rd party vendor to build and host a web application for us. The web app will need to send email notifications out to users when they request it. The application is not hosted ...
1
vote
1answer
96 views
SPF records should also be published in DNS as type SPF records
I recently set up SPF records for a domain and when I checked the records using http://www.kitterman.com/ I got an error message that stated
SPF records should also be published in DNS as type SPF ...
0
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2answers
143 views
Where can I find a comprehensive guide for starting to understand and use SPF records?
I haven't done much with SPF records before. I understand that the concept behind them is to specify which servers (ip's) are allowed to send mail signed "from" a particular domain - which is ...
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1answer
44 views
How can I take a working SPF and turn it into a SenderID?
Our SPF settings are working fine, and we are signing up for Sailtrhu (a mailing list service provider) and they are insisting we set up SenderID. From what we've read, SenderID can conflict with SPF ...
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1answer
118 views
How do I setup a SMTP ID to my server?
I am trying to increase email deliverability, from what I read, most important things I need to have set are SPF records, DKIM and sender ID, I set SPF and DKIM, but...
"sender ID" is same as "SMTP ...
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votes
1answer
39 views
Help me to create a good SPF record for sunrisetranscription.net
I own a domain and would like to add SPF record into my DNS. I am not very techy.
Are there any services that I can use that will help me generate my SPF record?
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1answer
89 views
Allowing a domain to send emails via another domain
I have two servers:
www.website1.com
www.website2.com
I have another server www.website3.com which I want to be allowed to send emails in behalf of the first two websites. How do I do this?
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4answers
253 views
Exim mail server: When I send test mail to my Gmail, how can I hide my hostname after “via”?
I just set up Exim for sending email from a website using this guide:
http://library.linode.com/email/exim/send-only-mta-ubuntu-10.04-lucid
All done with no problem.
When I open a test mail I sent ...
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votes
2answers
74 views
What is right way to set spf in dns records? [closed]
I'm setting it as: v=spf1 a mx ip4:xx.xxx.xx.xxx a -mx -all
it's right?
Thanks.
2
votes
1answer
80 views
SPF configuration question
I understand the basics to setting up an SPF record in my zone files, on my DNS.
And for the most part it seems easy enough to configure.
However, I've been constantly testing my postfix server with ...
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votes
1answer
134 views
What are the disadvantages of SPF? [closed]
Possible Duplicate:
SPF - should I implement?
In relation to this question and I've also been warned against it myself by an ISP tech, what are some of the common reasons against using SPF, ...
7
votes
4answers
364 views
SPF - should I implement?
A request has been made by a web developer for our domain DNS records to include SPF TXT records. I found differing opinions on this out there...
Any comments or insights you can offer will be highly ...
0
votes
1answer
169 views
Should I use SPF spam protection or DNS blackhole lists for Server-wide mail settings?
It seems that my Server-wide mail settings are preventing some legitimate email from being sent and received.
I have used both SPF spam protection and DNS blackhole lists (zen.spamhaus.org) for ...
4
votes
5answers
162 views
Are SPF needed for domains that do not send mails and do not have MX record?
I have some domains registered that do not send mails.
I have totally removed MX record for these domains on my DNS.
Is it still useful to set an SPF record in order to avoid spammer to send mails ...
0
votes
0answers
25 views
Postfix policyd-spf from header
I installed policyd-spf on my postfix server. It works fine for mail that identifies itself in the SMTP connection with MAIL FROM: bla@example.com.
However, it does not work when the "MAIL FROM:" ...
1
vote
1answer
743 views
sender id temperror hotmail.com
I am on vps and trying send mail. all is ok except hotmail
I search some and it seems, i am jumping on providers local ips:
"Received: by 10.236.102.139 with SMTP id d11cs133207yhg; Tue, 19 Jul ...
1
vote
1answer
279 views
Rackspace Cloud Server DNS Add SPF Records
I've setup my new LAMP server on Rackspace Cloud and the Basic A, C and MX DNS setup is no problem.
I need to add an SPF record for a project I am migrating over to this new server that allows ...
1
vote
1answer
132 views
Forward Mails to Gmail
I have a postfix mailserver running. Mails sent from users to Gmail are showing up in Gmail, so it works in general. Same for all other freemail hosts I know.
The problem is that some users have no ...
3
votes
2answers
296 views
Gmail flagging emails as spam despite SPF being enabled and working perfectly
I have a website where people can recommend contents to their friends using their email. The issue is that emails are being flagged as spam whereas if I do the same from my development machine things ...
1
vote
3answers
128 views
How to include multiple domains in an spf TXT Record
I am looking to setup a TXT spf record that has 2 included domains... individually:
v=spf1 include:_spf.google.com ~all
and
v=spf1 include:otherdomain.com ~all
What is the proper way of ...
1
vote
1answer
163 views
Mail classified as spam, but passes SPF and DKIM
I have configured Postfix to be responsible for subdomain.example.com (google apps is responsible for example.com so I didn't want to mix the two).
As I mentioned in question title, SPF and DKIM ...
4
votes
3answers
144 views
What's wrong with my SPF?
When I receive an email on Google from my domain ("mail.gramma.ro") I see this in the headers:
Received-SPF: softfail (google.com: best guess record for domain of transitioning cristi@gramma.ro does ...
1
vote
3answers
180 views
Sending mail from a server without being “spam”
I've been reading a little about this and have found something called "sender policy framework" which looks like it will help with identifying mail correctly. Will this increase the chances of my sent ...
