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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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 ...
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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 ...
2
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1answer
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
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1answer
941 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 ...
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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 ...
2
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1answer
86 views

How to send emails for our clients with multiple domains so that reply goes to our clients?

I am planning to do an email marketing as a service to our existing clients. We service mortgage and real estate agents and we do mailings to consumers on behalf of LO and agents. What I would like to ...
5
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5answers
852 views

SMTP server, SPF records, domainkeys

Recently we have setup a new SMTP server to send newsletters and promotional mails to our registered users. There are 5000 users who will receive newsletters on weekly basis. We are getting bounced ...
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4answers
767 views

SPF records for SMTP service

Please help me to create SPF record that will be helpful to validate my outgoing mail. Here is my server environment. We hosted an application at one hosting provider. Though he provided mail ...
0
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1answer
106 views

What is the best approach for setting up a good, secure smtp server on Debian?

Which server do you recommend? (postfix?) Which configuration for authenticating users for sending mail? Which setups for making it inbox friendly (dkim, spf, domainkey etc)? Is there some detailed ...
4
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2answers
353 views

Blackberry & SPF

Some users on my domain use a Blackberry for email. Should Blackberry's servers be included somehow in my SPF record? Thank you much for any advice.
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1answer
1k views

why do i get an SPF Softfail?

I installed SPF on my LAMP server with postfix. But for some reason, I get this error Received-SPF: softfail (mta1070.mail.re4.yahoo.com: domain of transitioning www-data@websiteurl.com does not ...
6
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2answers
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Google Apps, SPF, softfail problem (validates with validation tools, but still softfails otherwise)

I guess this is probably a commonly asked and boring question but I'm really at a loss and I don't know what else to do. This might be a duplicate of other questions, but none of the solutions worked ...
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1answer
500 views

How can I add a secondary DNS server for specific record types?

My hosting provider won't support certain DNS records (SPF, long CNAMEs, etc), but I refuse to switch providers. I have my own local DNS with a forward zone for my domain, and I'd like to use my ...
0
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1answer
430 views

Windows Server 2003 Enterprise - How Can I Add a SPF Record to DNS?

I'm in the DNS management console, and I can't find SPF in the new record type list. What do I need to do to create a SPF record?
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1answer
263 views

postfix Mail filters not running behind a controlled enviornment

I have deployed a postfix(2.6.6) server for email receiving. On this I have configured SenderID + SPF milter, by referring to http://www.postfix.org/MILTER_README.html The command that I used is as ...
0
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2answers
3k views

Yahoo flagging mail as spam when using relay server

I'm using Postfix to relay mail from my site to my mail server. Mail is received properly at my Gmail and Hotmail accounts - only Yahoo is the problem. The Yahoo mail headers state: Received-SPF: ...
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4answers
178 views

Emails going into junk and spf records

our emails are being flagged as junk. I have two different webistes both with their own dedicted ip address. sitea.com = xx.xx.xx.43 siteb.com = xx.xx.xx.44 Im using hmailserver to host our emails ...
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3answers
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How to format and where to put the SPF TXT record?

EDIT I think I more or less understand the syntax and, anyway, Google is giving, in the link below, the syntax needed. My question is really where to put that stuff. Should I quote every field? The ...
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3answers
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13 IP addresses, how to add them to domain SPF?

Let say I have these IP addresses on my server: 170.120.210.209 gateway 170.120.210.210 server IP 170.120.210.211 170.120.210.212 170.120.210.213 170.120.210.214 170.120.210.215 170.120.210.216 ...
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6answers
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Emails going to Junk for Hotmail recipients

We send daily mass emails to our customers (~30,000+ emails per day). We have problems with Hotmail users receiving our emails. Sometimes the email goes to the Junk folder, but often it will got to ...
0
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1answer
358 views

Failed reverse DNS and SPF only when using Thunderbird!

I have a reverse DNS and SPF records correctly setup for my mail server. Sending webmail from it works perfect. The problem is when Thunderbird sends out emails, it is using the client's IP address ...
0
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2answers
607 views

Is this SPF record correct for me?

I'm completely new to Stack Overflow, so Hi! I need to add an SPF record to my site "main.com" (not the real address) to allow an email publishing company "emailpublishers.com" (not the real address) ...
2
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2answers
223 views

How important is sender validation, and what matters?

When I started learning how to configure email, SPF existed but there were doubts about whether it was a good thing, and the value of offering SPF records in DNS. Now it seems that it is widely ...
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3answers
1k views

SPF include: too many IP addresses

I've hit a snag with SPF. The SPF record for my domain will contain four or five entries, plus it will contain: include:sgizmo.com The SPF record for sgizmo.com contains eleven entries! This, plus ...
2
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2answers
558 views

SPF records - what are the differences? [duplicate]

I'm trying to set up an SPF record for my domain. I've read the RFC, been to Wikipedia, openspf.org, etc. but I'm still confused. What is the difference between 'a' and 'mx'? When do I use 'mx: ...
0
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2answers
1k views

Configure a SPF rule on Ubuntu

Where I can create/insert the SPF rules to allow a external server to authenticate and send e-mails using the domain name of my server running Ubuntu? I need to insert this rule: v=spf1 ...
3
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5answers
741 views

SAN typical MTBF

We're using a SAN on a project at work, and there's a bit of debate around the fact that's technically it's a Single Point of Failure. No one seems to have any hard data. The SAN in question is a ...
2
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1answer
2k views

DNS zone file SPF configuration to support sending mail from multiple servers and gmail

I want to configure SPF on a domain to allow mail to be sent from: the x.com website server (x.com and www.x.com - both at same IP) its MX servers (smtp.x.com, mx.x.com, mail.x.com) another server ...
6
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2answers
467 views

What are DNS TXT records and why are they needed

I am creating a server with a primary nameserver and mutliple domains. Do i need to make TXT records for all the domain, they all have there own email, but use the mailserver from the primary. EDIT: ...
3
votes
5answers
3k views

Google Apps e-mail being rejected from some domains

I'm migrating e-mail for my domains to Google Apps' e-mail. Most everything seems to work except e-mail sent to any user at (at least) sonic.net is rejected with a message of the form (where ...
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2answers
1k views

SPF Setup - Sending from VPS and Google Apps

In follow up to my question here, how on earth do I setup a SPF record?!? I understand that I have to add a TXT record to my DNS entries but what to put in that TXT entry is what's confusing me... I ...
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2answers
301 views

E-mail duplication problem

I have taken out a hosting agreement with a well respected hosting provider for a couple of internet facing servers. We have deployed several applications to these servers which send various e-mails ...
4
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2answers
155 views

Email Server Validation Website

When sending emails I want my server to have DomainKeys and SPF records setup records correctly, is there a website I can email that does validation of my DomainKeys and SPF records?
2
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1answer
350 views

Is a soft SPF fail bad?

Received-SPF: softfail (google.com: domain of transitioning user@domain.com does not designate XXX.XX.XXX.XXX as permitted sender) client-ip=XXX.XX.XXX.XXX; Authentication-Results: mx.google.com; ...
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1answer
3k views

Emails are going to spam

Hey guys, I am currently running exchange 2010, I have implemented SPF record, and tried to implement dkim/domain keys using domain sink, but it doesn't seem to work. The problem I am having is that ...
0
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2answers
2k views

Correct SPF Record Usage?

My txt entry for my domain is as follows: txt --> "v=spf1 a ip4:aspmx.googlemail.com ptr:aspmx.googlemail.com include:aspmx.googlemail.com -all" I have also tried to use 'ptr' in addition to 'a', ...
2
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2answers
275 views

What are SPF records and how are they related to emails?

I changed the hosting of a website and their email is hosted with another company. There is also an SPF record for that host. What is the function of that SPF record?
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2answers
75 views

Help with SPF and Wacky Setup

I am the new system administrator for a company who recently rebranded one of its products. We seem to be having some trouble with our messages being marked as SPAM and from the research I have done, ...
2
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2answers
387 views

SMTP server on Win2008, SPF ecc

I want be able to send outgoing email from my website. I want to setup Win2008 smtp to be able to send them respecting all the spam rules. My checklist is: the smtp should be able to accept ...
0
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1answer
1k views

ClueBringer (PolicyD) user manual [closed]

Is there some user manual for ClueBringer (PolicyD) where I can learn how to setup policies, limitations and use other features. Webui looks intuitive, but policies I setup does not work. So, any kind ...
1
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1answer
226 views

How can I improve my domain's DNS record?

What DNS information can I add or change to improve the DNS record for my domain name (tjrobinson.net)? I use it to host a basic website and for my email. ZoneEdit host my DNS records. Ideas so far ...
4
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2answers
632 views

What's the difference between mx: and include: in SPF records?

I'm very new to all things DNS, yet I am trying to set up some SPF records. So far the SPF Setup Wizard has been immensely helpful, and I think I have things pretty much set; however I'd really like ...
10
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3answers
6k views

How to setup a SPF record to help fight SPAM

My little developer mind never really managed to understand how to do it, so maybe you can help me. I'm using Google Apps for Domains and MyDomain as DNS external service. Edit: Tough crowd, in ...
0
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1answer
1k views

Qmail & SPF - deciphering the log files

Can someone help me decipher whats going on in these log files? I've added my own comments there, but as I'm not experienced mail admin I could do with an experienced eye ;) The bit which gets me is ...
0
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1answer
156 views

setting postfix internal SPF for incoming mails

I have setup a postfix mail server. I tried to setup SPF for incoming mail messages as mentioned here 'http://www.freesoftwaremagazine.com/articles/focus%5Fspam%5Fpostfix?page=0%2C1' but i am unable ...
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3answers
603 views

What is wrong with this SPF records?

I send emails on behalf of customer1.net from mailer.mycompany.com. We also manage bouncebacks by setting the return-path on the envelope to setting it to bouncemgmt.mycompany.coom which in this case ...
2
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2answers
716 views

Using multiple servers to send mails for single domain

I'd like to use multiple servers for sending mails like so: server A: news@domain.com server B: all other addresses for domain.com. The most important thing is the ability to send mails from server ...
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5answers
8k views

How to set up spf records to send mail from google hosted apps to gmail addresses

I'm trying to work out why email I send from one domain I own is rejected by another that I own, and while I think it may be related to how I've setup spf records, I'm not sure what steps I need to ...
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3answers
575 views

In SPF how do you authorize any server on my domains to send

I have multiple domains with multiple mailservers on each. they all send with the same return path address. so x@bounce.bouncesent.com for instance. I want to authorize any host on my domains ( ...
0
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2answers
2k views

How to make a proper SPF record(s) for a complex setup?

I have a setup with several mailing domains and one domain for the return-path and sender So the mail header looks like: Received: from x1.mailer1.com ( can be x1.mailer2.com, x1.mailer3.com, ...