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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444 views

Where to set up MX and SPF records on sendMail or google apps mail server

Here is my senario: I have domain say myDomain.com is using google app mail server to send and receive emails I have a sendMail server deployed on my a cloudServer that I am using to send email ...
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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 ...
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2answers
132 views

Multiple A records in SPF a: field

I have a bunch of domains widespread over various DNS providers today, and all of them looks like this: @ TXT "v=spf1 a:spf.example.com -all" Which is good for now. However, I want to add a ...
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2answers
421 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
688 views

SPF Records for subdomain sharing mail server

I have two websites hosted on the same server. I set up the second site after I had already set up the first site and its corresponding email server. This is more of a DNS question. The first ...
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2answers
684 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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2answers
386 views

Softfail / Failure Notice on SMTP

i'm searching for an answer for about 24 hours now and I still can't find any really useful help... The problem appears as the following: I'm running a debian server with Plesk 9.5.3 and qmail. ...
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2answers
315 views

spf record setup

Emails sent by mta from my server recognizes by spam filters as spam and there's message : Received-SPF: neutral ... Actually, I am not spammer :) So, I googled around these questions and found that ...
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1answer
152 views

Is Sender Policy Framework (SPF) effective in preventing Phishing emails?

As defined in RFC4408, Sender Policy Framework only checks the envelope sender (aka MAIL FROM). The From: header is not being tested. As it is the value of the From: header which is usually displayed ...
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1answer
276 views

DMARC is blocking email that seems like it should be allowed

This is the DMARC record we have set v=DMARC1; p=reject; rua=mailto:[redacted]@coinbase.com; adkim=r; aspf=s So we are rejecting any not match with SPF strictly, and DKIM is relaxed. Here is the ...
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1answer
229 views

gmail contacts IP from SPF and fails to send mail to some domains

I have strange problem with my SPF records and gmail MX. I have this SPF setup v=spf1 a mx ip4:IP1 ip4:IP2 include:_spf.google.com ~all In this case, if I send an email to two specific domains, ...
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1answer
1k views

SPF blocking some emails. How to complete disable it?

We have configured a SMTP server on IIS. We have not configured any SPF rule. Some emails are going straight to the badmail folder. Most of them have this error message: Address does not pass the ...
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1answer
104 views

Dns filezone setup with mx and spf

I am trying to create a mail server. I bought the domain mastermails.info on godaddy.com. I am struggling with the setup of DNS. Whenever I change something in the MX record to make my server ...
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1answer
39 views

Google gmail block for no ptr of 4to6 ip address

When mail server got only ipv4 address and enabled 4to6 interface, gmail server block mail because of no ptr record of 4to6 address. Why...? Isn't 4to6 address not global standard...?
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1answer
110 views

DNS Redirect Website to another Server

I have two servers, server 1 and server2. The name serververs of the domain points to server1. 1.I have this configuration regarding Server1 DNS Zones: domain.com. 1200 IN A server2-ip Edit ...
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1answer
116 views

Icinga notifications are being marked as spam when sent to my mailbox

I'm using gmail and my domain is foo.com About half the notifications from my icinga server, icinga@foo.com go to my spam folder for me@gmail.com Received-SPF: fail (google.com: domain of ...
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1answer
36 views

Next Step in Migrating Exchange 2003 to GMail (SPF risks when changing MX record vs disable SMTP)

Our company has been struggling to migrate Exchange to GMail for last 2 years (I will leave this for /r/talesfromtechsupport). We have two domains on two different ccTLDs, and lately Exchange is just ...
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1answer
136 views

rDNS setup to prevent emails appearing as spam / phishing messages

We are trying to send email without the email appearing in the spam folder. The emails that we are sending is solicited bulk email. The main problem is that the emails are appearing as phishing ...
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1answer
479 views

DKIM in Plesk with DNS managed remotely

Our primary domains DNS is managed over at Amazon Route 53, and so in Plesk (11.x) I've turned DNS off. The problem is that I want to begin using DMARC which requires both SPF and DKIM txt records to ...
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1answer
263 views

Configure Exchange to receive email from an internal address with an external IP address

Our company provides email marketing services. Our service is hosted and emails are deployed from our IP addresses. Clients use their email address(es) as the "from" address, and typically, as long as ...
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1answer
231 views

Error while sending email using our own server: Sender is probably forged (SPF Softfail)

I have an email account from our own server and I can't send any emails and I'd appreciate any help with fixing it. This is the error I'm getting: Sender is probably forged (SPF Softfail) Our mail ...
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1answer
158 views

Google Apps SPF Record in cPanel

I'm trying to correctly configure Google Apps SPF records for my domain using cPanel/WHM DNS. I've currently got it setup like this as a TXT record: Name: mydomain.com. TTL: 14400 Record: v=spf1 +a ...
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1answer
79 views

Rewrite header when no dkim header for specific domains

I have been receiving a lot of mails that are "From" my domain. These mails have usually a different return path (spf passes), but have for example my email in the to and the from header. ...
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1answer
36 views

I have a mail server that hosts several client emails but 1 in particular is being blocked because of its SBRS score

If I was hosting emails for 3 clients and my reverse DNS is mail.allclients.com and I am hosting for client2.com, client3.com etc. What would be the rDNS for client3.com? Would it reflect the rDNS of ...
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1answer
363 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 ...
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0answers
78 views

Sendmail on CentOS 6, with SRS

I do some mail forwarding, but I'm also a big fan of SPF; I'm aware that I have a problem. While my mail server was running Centos5, I was using pysrs as a milter, and it worked well - but it hasn't ...
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0answers
65 views

SRS + SPF for Exchange Server

Is there a specific way to enable SRS on Exchange, or a similar function, on a SPF enabled domain? I have a SPF Record set to ~all, and noticed that out of office (OOO) emails are failing due to them ...
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0answers
26 views

Gmail SPF misconfigured

The SPF entry for gmail.com is a redirect to _spf.google.com: $ dig gmail.com txt @8.8.8.8 +short "v=spf1 redirect=_spf.google.com" _spf.google.com is a redirect to 3 other entries $ dig ...
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0answers
38 views

GNU-Mailman, MS Exchange, and SPF

We are currently in the process of setting up GNU-Mailman to handle our customer mailing list. We have remote hosting (Hostgator Business Plan) for our website and for the GNU-Mailman install and we ...
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0answers
522 views

553-Message filtered - HELO Name issue?

I am having major issues sending from my SBS2011 machine to Message labs server-13.tower-134.messagelabs.com #553-Message filtered. Refer to the Troubleshooting page at ...
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0answers
78 views

How to prevent emails from my domain through mailing lists to be rejected due to DMARC

I operate my own mail server at speedofsoundgaming.com and mwtd.net. I recently added a DMARC record to my domain to help prevent spam, and once seeing that things seemed to be working, upped the ...
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0answers
333 views

SPF Check Failing Because Yahoo and Hotmail Looking for Zone File For Hostname

I have set up an SPF record that passes gmail's SPF record check, but not hotmail, yahoo, port25.com, isnotspam.com, or openspf.net. I believe the SPF record is properly set up for my domain, ...
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0answers
297 views

EXIM4 sent mail sometimes rejected, always put in spam. DKIM and SPF pass + reverse DNS

Recently I've been seeing some instances of Your access to this mail system has been rejected due to the sending MTA's poor reputation. in my maillog and have noticed that my emails have been getting ...
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0answers
81 views

SPF and postfix settings. Sent emails aren't delivered

I just finished setting up a Debian server but my emails aren't being delivered to hotmail/live emails (they don't even show up in the spam folder). They are however delivered to Gmail addresses along ...