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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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 ...
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28 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 ...
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0answers
28 views

Emails getting rejected SPF [on hold]

I am having issues receiving confirmation emails from a website that I use which is built in laravel. When I checked my mail logs it appears to be getting rejected due to "SPF IP is not allowed to ...
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13 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 ...
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1answer
191 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 ...
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2answers
34 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 ...
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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 ...
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1answer
57 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
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1answer
34 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
30 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
38 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 ...
2
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1answer
74 views

Can't send email to myself via gmail and postfix forwarding

I set up postfix to forward email to my gmail account. I can send email from this server to my gmail, I can receive outside email and it's forwarded correctly (even from other gmail accounts). ...
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0answers
42 views

DKIM, SPF, DMARC, SPF OK mails are flagged as SPAM

I have a dedicated server running CentOS7 with Postfix, the problem is that all the sent mails are flagged as SPAM by hotmail and gmail despite DKIM, SPF, DomainKeys, DMARC records and keys wich are ...
2
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1answer
18 views

Can SPF allow us to securely masquerade as one third party using another third party mailer?

We use a paid-for bulk emailing service for our business operations and we've added that service to our own SPF record so that it may masquerade as someone from our domain for what it'll be asked to ...
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1answer
54 views

How to combine two SPF (TXT) records when one is from a local mail server? [duplicate]

I would like to add a second SPF TXT record to my domain, allowing an external mail-server to send emails from my domain so it won't be classified as spam on the receiving end. I've read that I should ...
2
votes
2answers
73 views

Migrating Email Providers; Are Multiple DKIM Records Viable During Transition?

I am currently gathering requirements for a small (hopefully) project of migrating from SendGrid to Mandrill as a transactional email service provider. We have been using SendGrid for close to 3-4 ...
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1answer
45 views

Format for/creation of PTR and SPF records?

Let's say that I have a server that resides at Linode that I use for my business, mybusiness.com. It has an IP Address of 1.2.3.4, and an A record of myserver.mybusiness.com. I own the domain name ...
2
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2answers
32 views

Creating spf record for a multidomain email server [duplicate]

I have a email server (iRedmail on Ubuntu) where I host my personal domain, and several other domains. Despite the fact that non of the domains spam, somehow, MXtoolbox tells me my server is on the ...
0
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1answer
30 views

Same mailserver, two domains. One domain flagged as spam. Possible causes?

I own two domains, let's call them example.com and mydomain.net. These two domains point to the same ip address, let's say x.x.x.x, and both their A and MX records point to them. They also have SPF ...
7
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2answers
209 views

Adding an SPF record for a 3rd party, but don't have one for my own domain

We have a 3rd party service sending some email on our behalf. They are using our domain name in their outgoing emails. They have requested we configure an SPF record for them. We do not currently ...
0
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1answer
90 views

SPF: premature end-of-input on private/policy

I just moved to a new server with quite the same configuration of the old one, and everything is working fine except SPF. Here are the error message I get: Nov 3 10:49:05 ns3016726 ...
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1answer
47 views

Are SPF records for subdomains valid for the parent domain?

I used to think that SPF records for subdomains were completely independent from the parent domain. I'm trying out a domain email service provider that advises: Using a subdomain you will still ...
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0answers
22 views

How can I skip greylisting for servers with a valid SPF Record in Postgrey? [duplicate]

I typically do not use grey listing as it doesn't play nice with multiple mx servers, but I do like preventing direct-access attempts to email me (use an MTA, or don't send email). I would like to ...
3
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1answer
42 views

exim4 configuration with SRS daemon

I'm struggeling setting up exim 4 with an external SRS daemon (Debian package srs). The srsd is running and converting addresses back and forward just fine. I can't use exim's built-in srs code, since ...
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2answers
67 views

What are the implications of inserting a DKIM record for a third party sending email on our behalf?

Our organization is setting up an account with a third party cloud service that will be sending emails on our behalf. Our marketing department would like to eliminate the "via" or "on behalf of" bits ...
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1answer
74 views

How to setup postfix to check SPF record only for domains that i want to check

I have working postfix server. It configured with amavis and uses pretty good SMTP headers control. But sometimes my users receive spam from spammers with well known mail service providers addresses. ...
0
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1answer
49 views

SPF, SRS and aliases on Gmail and other external services

A lot of my mailservers users are using Gmail to send with an address on my domain as their alias. In an attempt to combat e-mail forgery I have implemented an SPF record and have been advised to ...
2
votes
1answer
143 views

SPF permerror reported by Hotmail

Our server has been receiving abuse reports from Hotmail, because of an auth-failure. One of our sending servers has been blacklisted and Hotmail is refusing delisting. We have investigated a lot, and ...
2
votes
1answer
74 views

SPF record is showing up unchanged after several days

I need to change my SPF record, but the one that Kitterman shows as being the present SPF record is not visible on my DNS server. OLD ONE: v=spf1 a mx include:e2ma.net ~all I added the new one and ...
2
votes
1answer
54 views

Using SPF for spoof protection

I'm trying to work through properly configuring SPF for my domain. We have two MX servers that only receive mail, and two outbound relay servers which we expect to list in our SPF record. We also ...
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2answers
54 views

Setting up SPF and initial questions [duplicate]

I'm trying to set up SPF for our domain to prevent or reduce spoofing. The difficulty I'm having is with how to look at any particular email and determine if it would pass SPF. We of course know ...
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3answers
277 views

SPF and DKIM help: Do the FAIL reports from DMARC indicate an issue?

I am having trouble determining if my SPF and DKIM are configured properly. Here are key details: My domain is mysteryscience.com We send mail from google apps, from SendGrid, and from Intercom. All ...
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4answers
241 views

Setting up an SPF record for a shared hosting service with lots of email gateways

My website is on a Hostgator shared host, and I need to set up SPF for my email so my outgoing emails won't get bounced. So, I have to add a TXT record to the DNS for my domain, listing all possible ...
6
votes
3answers
792 views

Do changes in SPF records take time to propagate?

I'm setting up SPF records for my domain, and am not getting the results that I expect. It's quite possible I'm making some sort of mistake, but first I'd like to ask: does it take time for the ...
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2answers
64 views

SPF-record / E-mail marked as spam in Gmail [solved]

E-mail send from my own e-mail (example@domain.nl) to a Gmail-account is marked as spam. When I view the e-mail headers you will see a softfail. I have tried to set the SPF-record for my domain, but I ...
0
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2answers
44 views

How should I configure SPF for my domain? [duplicate]

I'm the domain administrator for, say, example.com. I have a few dozen users and we provide them with e-mails (first-name@example.com) that are aliases to their main e-mail. Now there's quite a few ...
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0answers
81 views

SPF Not Being Recognized

I'm working on setting up a VPS on Vultr (Ubuntu 14.04). The hostname is setup on the server as host2.sethta.com. I've almost got everything setup how I want, but Google is rejecting emails from the ...
0
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1answer
57 views

Google Apps email messages being flanged as “failed fraud detection” on outlook [duplicate]

mx entries for gmail and spf code for gmail is in place on cpanel however every time I try and send an email from my google apps account it gets picked up as fraud on outlook, and spf=softfail (if ...
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2answers
27 views

Creating a host record for an IP address to be used for SPF [duplicate]

I would like to allow an email service to be a valid sender for my domain. This service has dedicated a single IP for my account. Instead of: v=spf1 ip4:1.2.3.4 -all Will the following behave the ...
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1answer
182 views

What does dis=NONE mean in an email's Authentication-Results header?

The following is from an email I received recently: Authentication-Results: mx.google.com; spf=neutral; dkim=pass header.i=@yahoo.com; dmarc=pass (p=REJECT dis=NONE) ...
1
vote
1answer
56 views

Email redirected to Gmail contains failed SPF

I have an email account on my domain, e.g adrian@mysite.com And on my dedicated server mysite.com I redirect messages from adrian@mysite.com to adrian@gmail.com Now, if an external user like ...
3
votes
1answer
2k views

IP address is not allowed to send mail from DOMAIN

Today I heard that a customer can't send email to us. He received the following error: < #5.5.0 smtp;550 [ipaddress] is not allowed to send mail from [domain name]. Please see ...
8
votes
3answers
792 views

Workarounds for maximum DNS-Interactive terms limit exceeded in SPF record?

As a hosting provider, we send email on behalf of our clients, so we help them set up DKIM and SPF email records in their DNS to get email deliverability just right. We've been advising them to use ...
0
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1answer
98 views

Force PHP mail to avoid using postfix root@myorigin; use /etc/mailname instead?

I recently posted an issue setting up a mail server with postfix and virtual aliases. I solved the problem here: Postfix/Dovecot - Multiple Domains and Multiple Linux Accounts To sum it up, I set ...
0
votes
1answer
100 views

Google softfail when sending between accounts on same domain

I'm dealing with this for almos a month. Tried several changes but no luck. Some users manage their e-mail addresses through standard Gmail. NOT Google Apps. Their accounts were configured as ...
-2
votes
1answer
29 views

subdomains and SPF failures

I have recently moved some of my e-mail services to sub-domains (sub1.company.com, sub2.company.com) because the SPF of the main domain - company.com got full (lot's of includes and there is more ...
1
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1answer
27 views

Is DMARC helpful to me if I don't need reporting?

I have SPF and DKIM setup and working for the email domain I administer. The next recommended step is to setup DMARC since SPF and DKIM are both in place. What are the benefits of using DMARC if both ...
0
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0answers
11 views

Proper records for mail and domain [duplicate]

I am having the following question: I have a domain (let's say example.com) and I need to set up the proper records for the e-mail so that to minimize the possibility for a message to go to spam. I am ...
2
votes
1answer
187 views

Only enable SRS when forwarding to enable DMARC

I am setting up a mail server on my VPS and in order to prevent spam and being marked as spam I have enabled SPF, DKIM and DMARC. However, I do not want to host my own mailbox, so I forward the ...
0
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2answers
68 views

SPF - Adding lots of IPs

I have 8 IPs in different ranges to add to my SPF records. All are subdomains mta1.domain.com mta2.domain.com and so on. I can't add each IPv4 to domain.com txt due to limitations. How else can I ...