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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6 views

Mandrill domain verification email not being sent

We've got a Mandrill/Mailchimp account set up to send emails from a client's domain. We have valid DKIM and SPF records and Mandrill is happy with them, the only thing remaining is sending the ...
1
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1answer
21 views

SPF redirect modifier

The SPF record for domain replace the current record. The macro-expanded domain is also substituted for the current-domain in those look-ups. Examples: In the following example, the ...
0
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2answers
16 views

Service to test outgoing mail for SPF/DKIM/SRS validity?

We're setting up a redirection-based mail server with a lot of complex moving parts, including the standard ones that apply to everyone like SPF/TLS as well as the more complex ones needed to ensure ...
-2
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4answers
46 views

SPF, CloudFlare, Google Apps - Email sent through Contact Form marked as spam

One of the main reasons of putting your server behind CloudFlare is to hide your server's IP address so an attacker can't DDoS your IP and render CloudFlare obsolete. By putting your server behind ...
0
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1answer
24 views

How do I specify the hostname SPF shows to users?

I have a production Magento site which is on a dedicated host. The machine has it's "hosting" name, host-123.hosting.com, as well as its public name, buystuffhere.com. DNS has been configured for ...
0
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1answer
24 views

SPF redirect to subdomain TXT does not work for Google?

Funny situation, and I'm not sure if this is my fault or Google's. I have a domain, example.com, which has 2 subdomains: main.example.com, and spf.example.com. For main.example.com domain, my TXT ...
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1answer
27 views

My Email Strightly goes to gmail spam/just folder ( DKIM,SPF,DMARC is okay ) [duplicate]

( it's not duplicate , its related to rDNS , please don't flag it as duplicate or give me the link of related one ) i have a problem, my emails from my mydomain.com straightly goes to spam folder in ...
2
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1answer
35 views

Why does DNSstuff fail but SPF softfail?

Why does this online tool fail the SPF check http://www.dnsstuff.com/tools#spf|type=ipv4&&value=155.133.82.39&&email=fake@gmail.com But an installed Perl SPF check softfails the SPF ...
0
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1answer
23 views

Postfix, SPF, and Perl: warning: premature end-of-input on private/policy while reading input attribute name

I followed this guide (http://www.thenoccave.com/2013/05/08/centos-6-postfix-spf-checking/) but I'm getting the following errors in maillog: May 8 22:15:13 ip-172-31-15-65 postfix/smtpd[1999]: ...
0
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1answer
34 views

Exchange 2010 ignoring SPF record

we are using Exchange 2010 and have already setup SPF record for our authorized mail server IPs. As a test using our domain name i tried to send an e-mail from another computer on the internet which ...
0
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0answers
49 views

Gmail does not detect range of IPs on SPF record

I have recently setup a SPF record for our domain. We have an exchange server and a relay server which can send e-mails from our domain. Our exchange IP is xxx.xxx.xxx.78 and relay server is ...
0
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0answers
43 views

Setting up email forwarding in Exchange without SPF violations

I have an objective of configuring our mail server to forward inbound messages to third party provider. Mail have to appear from original sender Forwarding have to be managed from Exchange Server, ...
0
votes
2answers
50 views

IIS Smtp server cannot send to hotmail,outlook, etc addresses

I have a SMTP server on a Windows server 2008 R2. It can send messages to all other domains except the ones hosted at Microsoft (hotmail.com,outlook.com, etc). The email messages it cannot send remain ...
33
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5answers
547 views

Is it becoming impossible to be a small mail provider?

I operate a small mail server for my private emails, some friends who have websites and two NGOs. In total my server sends between 60 and 400 messages a day. Now a lot of these emails are personal ...
1
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0answers
45 views

Is it valid to have SPF records for a domain that is a CNAME?

I read that it's not valid to have a CNAME for a domain that also has its own SPF, because all records are taken from the domain that the CNAME points to. However, this doesn't seem to be what ...
1
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1answer
63 views

How to include multiple spf domains with different mechanisms in a single spf TXT Record [duplicate]

EDIT : How to Mix the different mechanisms (a , mx , ip4 , ptr and include) to create single SPF file from 4 I know that 2 simple SPF records like v=spf1 include:_spf.google.com ~all v=spf1 ...
0
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2answers
63 views

Create wildcard SPF-record [duplicate]

For a customer I would like to implement SPF for a lot of domains they own, but most of the IP's are the same. I would like to create something like for example Google, so I can use the include: ...
0
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1answer
34 views

DMARC failed, but SPF pass

If i sent a mail from my website (on a private server) to autoreply@dmarctest.org, i have this report : <record> <row> <source_ip>x.x.x.x</source_ip> ...
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votes
1answer
41 views

Mail server with different IP than webserver - getting 554 error

I have a webshop running on a Digital Ocean droplet, while the email inbox for the same domain is running on a different VPS. All of the sudden some of the emails sent by the webshop are being ...
0
votes
0answers
16 views

Google puts my mails to spam [duplicate]

I have a mail server with proper (I think) configuration, but Google puts my mails to the spam folder. I see the following error in the source: Received-SPF: fail (google.com: domain of ...
1
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1answer
36 views

SPF records and rejection based by declaration client IP

I use my personal email server one small setup by Microsoft Exchange Online. I'm not I professional IT but I prefer Exchange for many reason. Now I use this SPF record: v=spf1 ...
0
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0answers
15 views

Postfix mail always in spam [duplicate]

I've installed and configured postfix trying to find the best way on the web. This is postfix main.cf: smtpd_tls_security_level = may smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout ...
0
votes
2answers
56 views

Spam mail even after setting SPF

I have set the SPF record for my domain powered by Google Apps. I followed the steps here . But even after setting the SPF record, spam mails are being sent from the domain. What am I missing?
1
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2answers
76 views

Mandrill, AWS, Namecheap, SPF missing domain error

I'm trying to setup a Sending Domain on Mandrill but I get a SPF missing error. My APP is running on AWS, I'm using EC2 and Elastic Beanstalk, and my domain is on Namecheap. DNS are setup as follow: ...
2
votes
1answer
32 views

SPF: Which IP is being looked at during evaluation?

Let's say I have: public IP address A: sending host public IP address B: mail relay for A public IP address C: receiver MX What IP does C look at? Does he try to find the IP of A in the ...
0
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0answers
21 views

What is the purpose of an email Sender header? [duplicate]

My understanding is that the From address of an e-mail is only for human readers. Automated spam checkers, relays, and suchlike will check the Sender address, and will look at the From address only if ...
1
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0answers
20 views

FCrDNS for a mail server that also runs other services (http, ftp etc)

I am learning how to administer productive internet-facing machines and services, and towards that end setting up mail, web, and a couple other services, all on the same box (budget constraints and ...
0
votes
1answer
30 views

SPF record for relay server [duplicate]

Obviously my own mail servers should be marked as "allow" in an SPF record, but I'm not so sure about mail relays (e.g. my ISP). Since other people (not related at all with my server) also send email ...
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votes
1answer
43 views

Why does Google junk mails from my server? [duplicate]

I have a send-only mail server setup on an Ubuntu VPS. The mail server is only used to send out registration e-mails from a web application. I have the following configured: DomainKeys Identified ...
0
votes
1answer
48 views

SPF in hotmail are not used [duplicate]

I have a problem with Hotmail provider, all mail sent from my server goes to SPAM folder. I Have added a correct SPF to my domain example.com but into the headers is not used (spf=none) and the token ...
3
votes
1answer
90 views

Delivery Status Notification (Failure) => 550 SPF: x.x.x.x (IP address) is not allowed to send mail from <our-domain.com>

Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the server for the recipient domain <repipients-domain.com> by <repipients-domain.com>. ...
8
votes
1answer
241 views

How can I have an SPF record longer than 255 characters?

So, I have been under the impression that individual SPF entries had to fit in 255 chars, or use the include operator to link together multiple entries forming a chain. However, RFC 4408 3.1.3. ...
0
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1answer
74 views

What can I do if an SPF hasn't propagated weeks or months after being changed? How to force SPF to propagate?

I set up a domain, SMTP mailserver etc on a Centos box a few months ago, including PTR records that looked like this: pop PTR XX.XX.XX.XX. www PTR XX.XX.XX.XX. mail PTR XX.XX.XX.XX. Everything ...
0
votes
1answer
49 views

Does DMARC send alerts even upon successful delivery?

I keep getting DMARC reports that show that my IP passed all SPF and DKIM checks. Is this just an email to say that everything's fine or is it an indication of a problem? If the latter, there's ...
0
votes
3answers
78 views

Why are my messages being rejected due to SPF record issues? [duplicate]

I'm looking for a little guidance as to how to setup a server I am working on, so that emails get through to people without being sent back by an SPF filter. I send out email and this is the response ...
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votes
1answer
101 views

SPF softfail domain does not designate IP as permitted sender

I use both mailgun and a namecheap mail server (where I also have my domain) and when I receive mails in my gmail account, mailgun is recognized as a permitted sender, but that's not the case of ...
0
votes
1answer
40 views

How to Properly Set SPF Record [duplicate]

I am new to setting up server, this is my first time setting up mail server on my own. I am using ubuntu with webmin, everytime I send and receive from gmail, I had no problem. I can receive emails ...
2
votes
1answer
59 views

Exchange Online, Mandrill, SPF and DKIM

I have a customer ABC Ltd (abc.ie) who has a requirement to send emails via SMTP to their own customer base from within an application that we have developed for them. For their company email they ...
0
votes
1answer
181 views

Email abuse reports for outbound.protection.outlook.com

I've recently set up a DMARC record for my domain and now I'm receiving email abuse reports from hotmail.com that state: This is an email abuse report for an email message received from IP ...
0
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0answers
14 views

Which host(s) to include in SPF record to prevent email spoofing [duplicate]

I've got domain name and email hosting from a third-party hosting provider (1and1). Some of the email addresses under the domain are being spoofed by spammers. In order to mitigate this I'd like to ...
0
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0answers
9 views

Five Questions about Specific Examples of Sender Policy Frameworks (SPF) [duplicate]

I have spent some time learning about SPF and have five questions based on specific SPF policies. I obtained the SPF data via http://www.kitterman.com/spf/validate.html In advance, many thanks for ...
0
votes
0answers
41 views

Cant sent mail from own server to google

I'm running a mail server and I'm having problem with sending mails to google. Mails to other providers work fine. I guess its maybe related to my DNS settings, as I've read that google is quite ...
0
votes
1answer
40 views

Sender Policy Framework Qualifiers

RFC4408 defines the Sender Policy Framework (SPF). SPF has qualifiers ("-", "~", "+", "?") which are defined as (fail,softfail,pass,neutral) respectively. There is confusion amongst information ...
6
votes
1answer
218 views

Should I put Scope:Link or scope:Global IPv6 address in DNS AAAA record?

I have a mail server for which I need to create the AAAA DNS record and update the SPF record to include its IPv6 address. An ifconfig command shows a Scope:Link IPv6 address and a Scope:Global IPv6 ...
0
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2answers
42 views

How do I send (legitimate) email on a dedicated server as appearing from different domains?

We need to send email using PHP's mail() function (Actually CakePHP, which wraps that function) directly from our dedicated server (app.ourserver.com). We would like to send mail from ...
0
votes
0answers
11 views

Yahoo marked my mail as spam [duplicate]

Yahoo is marking our mail as spam. Mail header says that Domain Key, PTR, SPF all ok. From Abrabos Mon Jan 18 23:41:38 2016 X-Apparently-To: carry.vaillant@yahoo.com; Mon, 18 Jan 2016 23:45:10 +0000 ...
0
votes
1answer
91 views

SPF + DKIM + DMARC with Gmail account and external mail server

I,m using gmail with own domain (Google Apps) for my project. Now I want to add external mail server for sending notifications for users. Gmail doesn't give private keys for DKIM and if keys will be ...
2
votes
1answer
42 views

SPF “include:” does MX stay as included domain's MX, or get translated to the includer's MX?

SPF records allow you to include another's domains SPF record within your own. For example, example.com can have include:_spf.google.com in its SPF record to include all of the SPF rules for ...
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1answer
37 views

Add a second IP to SPF record, from an external SMTP server [closed]

I would like to add the IP of an external SMTP server to an existing SPF record, which is looks like this: "v=spf1 a mx ip4:185.6.139.6 a:frey.mailpool.1.netmask.hu a:frey.mailpool.2.netmask.hu ...
3
votes
1answer
121 views

Exchange not checking SPF record for own domain

I have an interesting issue with Exchange where it appears to check and stamp spoofed messages from external domains but not ones it has setup to send from. For example I can spoof a message from ...