Sender Policy Framework is a standard by which the owner of a domain uses a specially formed DNS record to advertise which hosts are authorized to send email for the domain.

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9
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4answers
858 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
2k 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
6answers
952 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 ...
1
vote
1answer
948 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
743 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 ...
2
votes
2answers
3k 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
2k 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 ...
31
votes
2answers
32k 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 ...
2
votes
1answer
711 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 ...
6
votes
3answers
2k 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
673 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 ...
1
vote
2answers
187 views

Trying to configure email server for sending only

I need to install Postfix or Exim to be able to send emails from my web server's php code. I have a few questions hopefully I can find answers to: Could mail be rejected or sent to spam on ...
-2
votes
1answer
142 views

Need a good guide for setting up postfix [closed]

I will be sending mail from my machine (just sending, not receiving any) I'm looking for a good guide that will help me configure it with all the things that are required so that receiveing servers ...
3
votes
1answer
888 views

SPF problems with Google Apps

I currently have an SPF record with a hostname of @ that is: v=spf1 mx ip4:x.x.x.243/32 include:_spf.google.com include:amazonses.com ~all I also have another record of" spf2.0/pra mx ...
0
votes
1answer
4k views

SPF Records - mechanism not recognized by this client. unknown mechanisms:

Having a bit of a problem with my hosting company rackspace cloud and SFP records. I asked them to updated it on there DNS. This is what they set it as: seonky.com. 300 IN TXT "v=spf1 ip4:ubuntu ...
2
votes
3answers
3k views

How to set SPF record?

I have configured postfix to use mail.example.com I have many virtual domains, like: domain1.com domain2.com domain3.com My question is, how to set the SPF? Do I have to set SPF for each domain ...
0
votes
1answer
249 views

SPF and importance “a”, “ptr” and “mx”

Let's say I have three domains: domain1.com domain2.com domain3.com For each, I have the following SPF records: domain1.com v=spf1 ip4:x.x.x.x ip4:y.y.y.y include:domain2.com ~all domain2.com ...
0
votes
1answer
1k views

Problem setting up SPF

So SPF seems to be the backscatter-saviour, the only problem is setting it up is a real pain. I've got a VPS and use GoDaddy as my domain manager. I set up this SPF record: v=spf1 mx ...
0
votes
1answer
161 views

why spf soft fail appear hard fail in gmail

abc.com. 1D IN TXT "v=spf1 a mx ipv4:10.11.x.x -all" This is result i got using dig root#dig txt abc.com. But when i send mail to my gmail from this domain, gmail says softfail and 10.11.x.x ...
4
votes
3answers
2k views

How to reject/detect emails claiming to be from my own domain?

We have following e-mail topology: Exchange server --------- Sendmail server ---------------Internet On sendmail server there is no any user mailbox and messages with sender address ...
1
vote
1answer
2k views

Help with SPF record setup for multiple domains?

I have setup a mail server where the host name is mail.mail-apps.com. I have setup a wild card entry in my DNS for the IP address. The mail cname point to the wild card. I then setup an mx record that ...
1
vote
3answers
2k views

SMTP host name vs. domain in “From:” address vis-a-vis Email Deliverability

I'm trying to implement (or make sure that I'm correctly following) email sending best practices to improve deliverability, but the role of the smtp server's host name vs the domain name of the From: ...
3
votes
3answers
7k views

What exactly is a X-YMailISG header?

Finally ... our emails are being seen by Yahoo! not as junk anymore. Hurray! However I notice that the Yahoo! receiving MTA adds in a X-YMailISG header. It's very large ... 2**10 bits? Now that ...
6
votes
5answers
5k views

Email sent from server with rDNS & SPF being blocked by Hotmail

I have been unable to send email to users on hotmail or other Microsoft email servers for some time. Its been a major headache trying to find out why and how to fix the issue. The emails being sent ...
0
votes
3answers
174 views

Confused about SPF Record setup

I'm confused on how I should set up SPF records for my multiple domains. Here is my configuration: the setup is: (a) domain1.com points to server1 (b) mail.domain1.com points to server2 (c) ...
2
votes
2answers
2k views

Amazon AWS Ec2 instance, Elastic IP, Domain name from external domainseller, and Google Apps for Email

We are hosting our site on an Ec2 instance. Our Elastic IP is w.x.y.z and Public DNS is: ec2-w-x-y-z.compute-1.amazonaws.com. We've bought a domain name domainname.com from a lesser known ...
3
votes
1answer
5k views

Can SPF records contain domain name wildcards?

Part of my SPF record contains: include:google.com I'm still getting soft fail because the actual e-mail is delivered by the following Received: from mail-yx0-f172.google.com ...
10
votes
3answers
6k views

What's the proper format for an SPF record?

Querying my domain I get: The TXT records found for your domain are: v=spf1 ip4:50.22.72.198 a mx:wordswithfriends.net ~all So superficially it appears OK. However I also get the following ...
0
votes
1answer
129 views

Confused about enhancing existing Google SPF to permit server-sent emails also

I'm using Google Apps for my domains email, and have the Google suggested SPF set: "v=spf1 include:_spf.google.com ~all" This works as expected. In certain cases though, my web app sends emails to ...
2
votes
1answer
959 views

where is this SPF problem occuring

Inbound mail to a specific user is been forwarded to his external mailbox at another domain. Add mails are routed correctly with the exception of one domain. When mail are sent to users of my domain, ...
0
votes
1answer
953 views

Changing SPF (Sender Policy Framework) record for Google Apps [closed]

My boss asked me to set up Google Apps for a client and basically I have done everything including setting up MX records in DirectAdmin and re-creating the email accounts in Google Apps. I also sent ...
7
votes
1answer
3k views

SPF include vs redirect

What is the difference?
1
vote
2answers
2k views

How to include domain mail server along with Google mail server in SPF record?

I've recently switched to Google Apps and this thread http://www.google.com/support/a/bin/answer.py?answer=178723 suggests to update SPF record like : 'v=spf1 include:_spf.google.com ~all' . (1) ...
2
votes
1answer
185 views

Do I need to leave SPF TXT record for backwards compatibility?

There is a dedicated DNS SPF record which can be used for SPF record. However DNS TXT record may also be used for backwards compatibility. If i CAN define SPF record - should i just delete the ...
3
votes
7answers
8k views

all mails going to gmail SPAM (sendmail on centos) 127.0.0.1 problem?

UPDATE ON SPF CHECK http://www.openspf.org/Why: The SPF check gives me this: An SPF-enabled mail server rejected a message that claimed an envelope sender address of support@ourdomain.com. An ...
1
vote
2answers
4k views

I'm missing some zone files, and I need them to configure some SPF settings. How do I create them?

I recently noticed that my recently setup domain, example.com, was being used to send spam. So, I decided to fix this and found some information on SPF configuration, and that I'd need to go edit the ...
0
votes
2answers
145 views

SPF problem with incoming emails

I use sendmail MTA and dovecot and have SPF configured, my domain txt entries: xx.pl descriptive text "IN" "v=spf1 ip4:x.x.x.x ip4:x.x.x.x ip4:x.x.x.x ip4:x.x.x.x a:mail.yy.pl a:mis.xx.pl ...
-1
votes
3answers
5k views

550 Requested action not taken: mailbox unavailable

I setup a small box with Server 2003 64bit to be used as a webserver and email server for a small school. Real simple stuff for a few users. A simple website and a handful of emails. rDNS and spf ...
0
votes
1answer
131 views

SFP record setup for single server

I have a single server Domain: mycompany.com Server: mail.mycompany.com MX: mail.mycompany.com Would this record work "v=spf1 ip4:38.28.xx.yy a:mail.mycompany.com mx:mail.mycompany.com ~all" ...
4
votes
2answers
2k views

SPF hardfail and DKIM failure when recipient has e-mail forwarding

I configured hardfail SPF for my domain and DKIM message signing on my SMTP server. Since this is the only SMTP server that should be used for outgoing mail from my domain, I didn't foresee any ...
5
votes
3answers
9k views

Why is my SPF Record not working?

A spammer is using my domain to send spam, and I'm receiving a large amount of bounced email. I have an SPF record on the domain, however it doesn't appear to be having any effect. Receiving MTA's ...
0
votes
1answer
313 views

550 error emailing on behalf of clients using spf

In response to the answers to this question I tried to set up the correct 'from', 'sender' and 'return-path'. I am not sure how this is set up in .net (particularly 'return-path'), but I have set the ...
0
votes
2answers
239 views

SPF Syntax Setup

I have a web application that has two web servers that have SMTP servers, with the following names: mail01.mydomain.com mail02.mydomain.com I have the SPF record setup for the second level as: ...
0
votes
1answer
571 views

SPF include:domain.com problem

I have a domain who's users send email from an isp's smtp server. I'm trying to set up SPF for that domain using: v=spf1 a mx include:mail.isp.com ~all When I checked the record using The 2nd tool ...
3
votes
6answers
5k views

Hotmail and Live.com rejecting all emails [duplicate]

I have been having problems sending emails from my server to hotmail.com and live.com email addresses. I have read other posts on serverfault but they have not been helpful. Here is the error message. ...
4
votes
4answers
3k views

Do I need SPF, and how do I set it up?

I've read that SPF is a way to ensure that spam sent in my name is evidently fake, and I'd like to use that. How do I set up SPF? Or is it already in effect? I have two domains hosted on ...
1
vote
1answer
2k views

Permerror when testing multiple SPF records for Google Apps and MailChimp

Our domain uses Google Apps for mail and Mailchimp for templated email campaigns. Mailchimp recommends adding an SPF record for their servers to decrease the likelihood of spam filter traps. I have ...
3
votes
2answers
1k views

What is the email SPF entry for sending from Yahoo!?

I have a client that is sending email from a Yahoo! Plus account as if from her own domain. Is there a way to set up the SPF record so that it covers all of Yahoo!'s outgoing servers? i.e., what do I ...
0
votes
1answer
1k views

Google Apps - SPF Softfail when sending to same domain

I am using Google Apps to send mail through my private domain. I have used WHM to set my DNS TXT record to "v=spf1 include:_spf.google.com ~all" for mydomain.com. as advised by Google. When I send a ...
1
vote
2answers
2k views

Does Google/Gmail & Yahoo/YMail cache DNS information related to SPF?

I am configuring my linode server to send mail from my webapp to users. I could use GoogleApps, but the 500/day limit it too restrictive, hence I'm attempting to set it up myself. I set up Exim4 on ...