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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2
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2answers
303 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
321 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 ...
3
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1answer
170 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 ...
1
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1answer
251 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 ...
0
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1answer
55 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 ...
0
votes
1answer
117 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 ...
0
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1answer
40 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...?
0
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1answer
116 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 ...
0
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1answer
122 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 ...
0
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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 ...
0
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1answer
141 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 ...
0
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1answer
271 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 ...
0
votes
1answer
247 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 ...
0
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1answer
37 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 ...
0
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1answer
376 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 ...
2
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0answers
102 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 ...
1
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0answers
72 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 ...
0
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0answers
37 views

Configure SPF for gmail account

I am really new to this @ v=spf1 include:_spf.google.com ~all 1 Hour I have added the above spf setting for admin@studentclutter.com as it is a google apps email account However, I am getting ...
0
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0answers
46 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 ...
0
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0answers
585 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 ...
0
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0answers
85 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 ...
0
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0answers
381 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, ...
0
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0answers
307 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 ...
0
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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 ...
-3
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0answers
28 views

spfpolicy permission denied error

Who should have spfpolicy file's permission? . I'm guessing is that matter since i have this error Mar 2 15:57:51 example postfix/smtpd[28162]: input attribute name: /usr/bin/python: can't open ...