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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11 views

Adding another IP address in the SPF Header [duplicate]

Currently I'm using this SPF Header: v=spf1 a -all which works fine for emails sent from the domain hosted on the IP indicated in their A record. All I want is to add IP of another server which ...
3
votes
3answers
53 views

Will mailing lists “break” if SPF is too restrictive?

I have recently configured my own mail server (Linux-based postfix + dovecot scenario). This is just for personal use - I have no bulk mail going out, no automatically generated mail outbound from the ...
0
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1answer
28 views

Unable to make DNS SPF pass for my domain

I've placed this TXT record in the DNS for domain : admissioncourses.com : v=spf1 a mx mx:mail.admissioncourses.com ~all Ideally all I want is that only email sent from admissioncourses.com( and ...
1
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1answer
32 views

If I don't want subdomains to send out email, do I need SPF records for them?

I have a main domain with (now) valid SPF record, but we also programmatically create lots and lots of subdomains for clients via cpanel PHPXML API. These subdomains are not intended to send any mail. ...
0
votes
2answers
21 views

SPF record for hostname of postfix instead for every sending domain

I am having a server reachable via server.com that has a postfix mailserver running with the hostname gaia.server.com. Because reverse DNS is only needed for mail purpose (afaik) I changed the reverse ...
0
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2answers
35 views

SPF with a Mail Gateway: do I need to put all my mail servers?

I always put all my Mail Servers in SPF declarations, but I'm not sure if this is the correct way to implement SPF. All my mail got routed through a Mail Gateway. Everything goes first to this server ...
2
votes
2answers
16 views

Sending mail from sub-domain on different server from domain getting flagged as spam

Our client owns a server with a domain: website.com We have a server that our client points videos.website.com to. Emails sent from videos.website.com are getting flagged as spam because website.com ...
0
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1answer
28 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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votes
1answer
21 views

SPF Records with Subdomains [closed]

Amazon recommends the following SPF Record: "v=spf1 include:amazonses.com -all" However, will this work for SES servers based in EU? eu-west-1.amazonses.com
0
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0answers
13 views

spf text leads to max DNS lookup [duplicate]

I hosted my server with incapsula,but Im having diffculies with spf text recoreds @ v=spf1 redirect=mail.domain.com mail v=spf1 a mx include:secureserver.net ~all mx recoreds @ ...
0
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1answer
28 views

PermError SPF Too Many Lookups and Reduction

My current SPF record is as follows: v=spf1 mx include:servers.mcsv.net include:xero.com -all The above cause the SPF validation to fail. Using http://mxtoolbox.com/SuperTool.aspx?action=txt, I ...
0
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0answers
23 views

Use greylisting only if SPF fails

I have noticed that more and more people using the DNS based SPF records and I want to enhance my spam filter. I am using SPF and greylisting after each other and my idea would be to use only ...
0
votes
2answers
36 views

How can I fix my Exchange 2007 outgoing mail from being blocked due to SPF

All of a sudden many of my companies emails are being blocked by Hotmail and many others due to SPF. I've added v=spf1 ip4:66.49.60.115 a mx:hpdist.com ~all to my DNS settings as a TXT record. But ...
0
votes
0answers
92 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
votes
1answer
50 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
votes
2answers
169 views

SPF Record - Sender server SPF record permerror

I cannot seem to get a SPF record working for a client of ours, Google mail keeps failing on the lookup. My SPF record is v=spf1 a ip4:80.74.254.215 include:mx1.helloevery1.co.uk ...
0
votes
0answers
35 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 ...
1
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0answers
20 views

Email messages not being designated [closed]

All my emails are not being designated. The SPF is neutral or none. I'm using earthlink. I get blocked on some Google groups. How to circumvent this issue.
0
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0answers
21 views

SPF-entry to allow outgoing mails from my webserver and GMail only [duplicate]

At the IP-address 123.123.123.123 I host several virtual hosts with Apache and CentOS: my-drupal-1.com my-drupal-2.com my-wordpress-1.com my-wordpress-2.com My current DNS entry is: $TTL 86400 @ ...
1
vote
2answers
171 views

Setting up SPF records on dedicated server

I have a question in regards to SPF records in a dedicated hosting environment. I wish to set up an SPF record for my dedicated server, but I am not sure whether my understanding is correct. First ...
0
votes
1answer
199 views

Why does the MXtoolbox SPF record checker not like my SPF record? [duplicate]

I have a shared hosting server and have been spilling my brains out trying to find a SPF record that is globally accepted by other hosts. Let's take the domain gimsid.ro. Which can send mail to any ...
2
votes
2answers
753 views

Office365 SPF PermError: Too many DNS lookups

We are migrating from a self hosted mailing platform to Office365 for Businesses. Everything went fine, except for the SPF record. At the moment, we have v=spf1 a mx include:spf.mtasv.net -all as TXT ...
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votes
2answers
54 views

AWS SES TXT Record Content

I need to get AWS SES setup for a domain. The registrar's DNS tool only allows me to put in a block of text for the TXT/SPF records (one block per record). I'm not sure how to format the TXT record as ...
1
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1answer
121 views

550-Verification failed when forwarding email to some servers

I have a Postfix installed and working with SPF check and SRS-rewriting. When it forwards email for an external address, sometimes its smtp denies relaying the mail with the message: Relay access ...
0
votes
0answers
18 views

How to add domain to this existing SPF entry, which has multiple IPs and Domains [duplicate]

I have an existing SPF record in my DNS setup with something like the following: v=spf1 ip4:202.100.100.100 ip4:103.100.100.100 a a:test.com a:mail.test.com a:testy.co.nz a:mail.testy.co.nz mx ptr ...
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votes
1answer
46 views

Why does Microsoft's own Sender ID wizard generate a SPF record instead? [closed]

I'm trying to create a Sender ID record for TurboLab.it with Microsoft's own Sender ID wizard but the wizard always return something like v=spf1 a mx ptr ip4:95.141.32.205 -all: this looks like SPF, ...
0
votes
1answer
132 views

How to resolve problems with spf / softfail?

I'm having problems with Google rejecting mail because of SPF problems. I thought I had this fixed, but evidently not... The mail is being sent from a Drupal site running mimemail. A message that ...
1
vote
1answer
97 views

Spf passes or fails depending on receiver address

I have postfix with dovecot set up on Ubuntu 13.10. I send emails via a node application (using email-templates). If I send an email from noreply@mydomain.com to myacccount@gmail.com (email 1), the ...
1
vote
1answer
81 views

Multiple SPF records for multiple domains [duplicate]

We have recently started using Office 365 for our email, which requires us to add a DNS TXT record with the value v=spf1 include:spf.protection.outlook.com -all. We already have an SPF record with the ...
1
vote
2answers
279 views

Is the 10-DNS-lookup limit in the SPF spec typically enforced?

My understanding is that the SPF spec specifies an email receiver shouldn't have to do more than 10 DNS lookups in order to gather all the allowed IPs for a sender. So if an SPF record has ...
0
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0answers
20 views

Changes required to SPF record [duplicate]

Our email is delivered to an IMAP account on an external server. We have the option of relaying mail through this server (which we sometimes do) but usually send directly using Microsoft Exchange ...
0
votes
0answers
38 views

SPF record validation is pass but email is rejected by server [duplicate]

I have SMTP on a windows 2008 server with IIS6. The SPF recored is passed when I send emails to hotmail or gmail but it gets rejected on other servers claiming that there is problems with the SPF. ...
0
votes
0answers
26 views

Spam - openrelays using our email addresses

Folks, I'm getting into trouble with spam filters on the internet. Our own email addresses are being used by spammers and replies are being sent back to us with notification about addition to ...
6
votes
2answers
356 views

Why is email being delivered normally despite an SPF “hardfail”?

I'm trying to figure out why forged email is being delivered to major email providers (gmail.com, outlook.com) even though email is marked with an SPF hardfail. The email is also delivered to ...
4
votes
1answer
175 views

DKIM and SPF for a subdomain

I manage a VPS on Linode accessed through subdomain.example.com and I need to send email from this subdomain. I can't set any TXT records in Linode DNS manager because the name servers for example.com ...
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votes
2answers
68 views

How to properly set TXT SPF record when separating A from MX records [duplicate]

I have current TXT record for my domain: v=spf1 a mx ip4:{ip-of-my-server} -all Both email traffic and website goes to same machine. Now, I have to point website (A record) to other server. Will ...
0
votes
1answer
18 views

Precedence/co-existence of SPF and DKIM

Is co-existence of SPF and DKIM specified somewhere (assuming the absence of DMARC)? I want to put only my own IPs in the SPF and let 3rd parties send mail on behalf of my domain using DKIM. What ...
1
vote
1answer
36 views

spf and dkim records in the same dns zone file

I am trying to set up a mail server which will sign outgoing messages with a dkim signature. Part of that process is to set up a dns record for my senders domain with the public key of the key used ...
1
vote
2answers
87 views

SPF/DKIM Configuration for usage with critsend

I am currently facing the following issue: I have configured a domain of mine to be used with the Critsend mailing service. Their recommended configuration for both SPF and DKIM was implemented on ...
0
votes
2answers
67 views

Email flagget as spam or rejected by recipient mail server

I have configured smtp service on a windows 2008 server. All the emails sent by the smtp service are flagged as spam or they are rejected by the recipient of the email. In the header of the email I ...
-1
votes
2answers
78 views

server's email going to spam for yahoo users, possible SPF issue? [duplicate]

Our website is sending out email verifications to members who sign up with our service. Yahoo is throwing our messages in the spam box and displaying this message in the headers: Received-SPF: none ...
1
vote
3answers
351 views

SPF TXT record with multiple senders - bounce back - spf check failed

My company uses office 365 for our email, but we also send email from one of our server's IP addresses. My TXT record is: v=spf1 ip4:XXX.XX.XX.XXX include:spf.protection.outlook.com -all ...
0
votes
1answer
133 views

hMailServer forwarding and distribution lists with SPF checking

I have installed and configured hMailServer, primarily to allow me to create a distribution list for a private organisation, and some email address aliases. This is so that members of the ...
0
votes
1answer
19 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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0answers
100 views

Postfix Rackspace setup with SPF record always go to SPAM (neutral)

after a lot of fighting with the system I would like to know your guys opinion and solution. Idea is to have 1 mail server (centos postfix) at rackspace and have all the other cloud servers relay to ...
0
votes
0answers
125 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, ...
2
votes
2answers
89 views

include:_spf.google.com not enough for hotmail

My spf is neland.dk descriptive text "v=spf1 a:mail6.paradiss.dk a:min.moar.dk a:arnold.neland.dk include:_spf.google.com -all" I get this error when sending from gmail.com as leif@neland.dk ...
5
votes
1answer
552 views

Is it OK to have multiple TXT records for a single domain containing different SPF entries?

A remote recipient domain is rejecting mail on the grounds of SPF and I think it's because the sender has SPF configured incorrectly. When I run dig, I see: [fooadm@box ~]# dig @8.8.8.8 -t TXT ...
1
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1answer
94 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, ...
1
vote
2answers
41 views

Is there any difference between different ways of expressing the same information in an SPF record?

I have a domain at example.com. The MX record is 10 cp.example.net. These domains are on two different IP addresses. Let's say that example.com is on 198.51.100.0, while example.net and cp.example.net ...