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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280 views

Mail is marked as spam although SPF and DKIM pass

I have configured Postfix to send mail from a dedicated server hosted let's on IP X.X.X.X and domain name example.com. DKIM, SPF always pass when I send mail locally from that host but still ends up ...
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1answer
121 views

Set up spf and dkim, where email domain and sending domain differ

I have two domains: foo.com and bar.com Only foo.com is using Google Apps and thus can send emails. I now have a service running on bar.com\application that uses the email application@foo.com to ...
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1answer
2k views

How to correctly manage multiple virtual hosts with postfix?

I'm tring to correctly setup a postfix server for our products for a couple of days. The server is running correctly but some emails sended to gmail are delivered to spam box. The server is configured ...
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1answer
1k views

How to resolve SPF configuration to allow Google sending mails?

we are configuring DNS for a GMail service, the MX records are configured as to Google says, however, in the DNS check, there is a warning: SPF must allow Google to send mail on behalf of the domain ...
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1answer
124 views

SPF: How are user@domain.com records verified?

I'm troubleshooting Google Apps marking valid messages as spam. In the message header: Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of ...
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2answers
466 views

How to force postfix to use ip that is configured for domain?

I want to confirm to SPF and DKIM, this requires me to send email using the IP written in the DNS record of the domain I have two domains example1.com and example2.com with two IPs 100.0.0.1 and ...
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2answers
160 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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1answer
955 views

Sending email from an AWS domain via Google Apps

I have a domain managed via Amazon's Route53 service. I have a Google Apps (free) account with 10 full users. To facilitate more than 10 users (we need about 12-14), I've been using a setup whereby ...
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1answer
111 views

correct way to prevent SPF failures

I have a website on a hosted server whose mail users are using their ISPs SMTP to send mail. I have set their SPF record to look like this: v=spf1 mx a:comcast.net ip4:216.70.103.0/24 ...
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1answer
2k views

Configure Sendmail to require valid SPF checks before accepting/relaying mail

We have an inbound email service that is very restrictive on who is allowed to send through our Sendmail gateways. The restrictions are generally controlled through the access file by marking ...
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2answers
969 views

What should be the spf record for my domain?

I have my own registered domain. I have a dedicated IP for my domain. I use a shared hosting service for my website. I want to send mail with php's function mail();. I have created one email ...
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1answer
948 views

sender id temperror hotmail.com

I am on vps and trying send mail. all is ok except hotmail I search some and it seems, i am jumping on providers local ips: "Received: by 10.236.102.139 with SMTP id d11cs133207yhg; Tue, 19 Jul ...
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1answer
2k views

Help with SPF record setup for multiple domains?

I have setup a mail server where the host name is mail.mail-apps.com. I have setup a wild card entry in my DNS for the IP address. The mail cname point to the wild card. I then setup an mx record that ...
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2answers
4k views

I'm missing some zone files, and I need them to configure some SPF settings. How do I create them?

I recently noticed that my recently setup domain, example.com, was being used to send spam. So, I decided to fix this and found some information on SPF configuration, and that I'd need to go edit the ...
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4answers
806 views

SPF records for SMTP service

Please help me to create SPF record that will be helpful to validate my outgoing mail. Here is my server environment. We hosted an application at one hosting provider. Though he provided mail ...
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4answers
180 views

Emails going into junk and spf records

our emails are being flagged as junk. I have two different webistes both with their own dedicted ip address. sitea.com = xx.xx.xx.43 siteb.com = xx.xx.xx.44 Im using hmailserver to host our emails ...
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1answer
227 views

How can I improve my domain's DNS record?

What DNS information can I add or change to improve the DNS record for my domain name (tjrobinson.net)? I use it to host a basic website and for my email. ZoneEdit host my DNS records. Ideas so far ...
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5answers
9k views

How to set up spf records to send mail from google hosted apps to gmail addresses

I'm trying to work out why email I send from one domain I own is rejected by another that I own, and while I think it may be related to how I've setup spf records, I'm not sure what steps I need to ...
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1answer
249 views

SPF for various servers

Somewhat related to: http://serverfault.com/questions/4354/how-do-i-configure-spf-for-multiple-domains-on-a-server-also-allowing-gmail-as I have a MX record for my primary domain (j.com) that is my ...
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0answers
35 views

New Exchanger Server installation - Email marked as spam on hotmail/outlook

New to the email hosting scene - running an Exchange 2013 box. Email is always (literally, always) marked as spam when sending out to my outlook.com account. Whereas if its sent to an email address ...
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0answers
26 views

SPF record not being detected by gmail

I recently added SPF record to my server & it passes all the results required. However sending email doesn't detect SPF record. The method I use to detect is whether gmail shows 'mailed-by'. I ...
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59 views

Mail marked as spam (Gmail/Hotmail): IP not on blacklist, DKIM Valid, SPF Valid and DMARC valid

I'm trying to send mail from my own domain (which is 15 days old now) but I'm having some troubles. Check the following mail body: Delivered-To: ------@gmail.com Received: by 10.25.89.200 with SMTP ...
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0answers
36 views

SFP + Gmail = Emails delivered to spam box

A long time ago I posted a question here: Postfix: Gmail marking my email as spam where I said that although emails send from my servers were passing all the DKIM and SPF tests they were getting ...
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0answers
111 views

SMTP error : Remote host said: 550 5.7.1 At least one FROM header address not allowed to send mail from IP ADDRESS

We are developing an email sending app, and we allow our users to specify the From: header their emails will be sent from. Let's say our domain is mydomain.com and our client domain is ...
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0answers
25 views

How to troubleshoot marketing e-mail inbox rate / deliverability? [duplicate]

After previously using managed ESP's, we've recently switched over to our own server (CentOS 6) that's set up to send bulk e-mails with 12 IPs/SPF/DKIM. Campaigns are processed and sent via ...
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1answer
40 views

Originating (non-critical) emails from a “less-trusted” host

Background We have a webapp running on webapp.example.com that (amongst other things) sends messages by email from time to time. These messages are non-critical: whilst we would like to make a best ...
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2answers
5k 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 ...
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2answers
4k 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 ...
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1answer
318 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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0answers
85 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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1answer
301 views

Sending email from a Google Apps address

I have a website in a Linode VPS in Linode. The email address to receive emails is hosted in Google Apps, but I send emails from postfix. For that to work and not cause problems with spam folders, I ...
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1answer
105 views

SPF record to block other Google Apps accounts

We are having problems with people sending emails from @.com via Google Apps and are looking for a way to block this. Our spf-records allow Googles servers to send mail from our domain as this is how ...
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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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2answers
1k views

Why Are SPF Records Failing?

Ok I've been going through various different sites, resources and topics here trying to figure out what is wrong with my SPF records but no matter what I do they don't seem to pass. Here's what I have ...
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3answers
3k views

Hotmail wants me to modify my SPF record

This is my current SPF record. It works well with gmail and yahoo but hotmail was ignoring. So i used their submit system and now they replied me with the text below. This is my current spf v=spf1 a ...
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2answers
116 views

Spam delivered by mx.google.com despite SPF fail

Some spammer use our e-mail address as sender in forged e-mails. Now we got thousands of bounced messages from no longes existing e-mails. We set up SPF and DKIM records but it does not stop. ...
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1answer
132 views

SPF records when sending multi-domain emails from one host

We have a CMS system in which multiple customers run their websites from a single virtual machine. Pages generated by the CMS allow forms to be filled in, which trigger emails to be sent. I am having ...
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2answers
414 views

Exim how to configure SPF

I'm playing with Exim trying to create a mail server for a company, basically i'm able to send email without problem using command line or via localhost. I was trying to set SPF header but I can ...
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2answers
192 views

Where can I find a comprehensive guide for starting to understand and use SPF records?

I haven't done much with SPF records before. I understand that the concept behind them is to specify which servers (ip's) are allowed to send mail signed "from" a particular domain - which is ...
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1answer
101 views

Failed Gmail SPF check when importing mail through IMAP from our mailbox when original email was sent with ESMTP headers

We have a strange situation: we receive an email with ESMTP headers in it our server accepts it, it's fine we import that mail in Gmail like any other emails from our boxes Gmail makes SPF check ...
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1answer
113 views

How does SPF reduce backscatter with a Google Apps account

Reading up on the SPF spec, I understand that SPF designates certain IPs as valid sender SMTP server IPs. For Google Apps, the SPF record is supposed to be v=spf1 include:_spf.google.com ~all. The ...
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2answers
1k views

Sent mails go to spam on Gmail but not on Yahoo

Why is a message like the following going to Gmails SPAM folder? I noticed that the same message goes correctly to Yahoo!s Inbox, but observing the header i see (in the received Yahoo message the ...
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3answers
2k views

Exchange and SPF Records

I've created an SPF record on 123-Reg, which is working great. But my question is how Exchange servers know that an SPF record exists when they receive mail from a domain. How does Exchange know it ...
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2answers
619 views

Is this SPF record correct for me?

I'm completely new to Stack Overflow, so Hi! I need to add an SPF record to my site "main.com" (not the real address) to allow an email publishing company "emailpublishers.com" (not the real address) ...
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3answers
264 views

SPF settings for subdomains using common mail server

I am having trouble getting subdomains to pass SPF checks when sending mail through a common mail server (AKA relay host). Here's the current setup: MX 10 mail.example.com. example.com. TXT ...
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2answers
397 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 ...
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1answer
128 views

Should I put SPF checks before or after RBL checks in Postfix SMTP server?

I am setting up a Postfix SMTP server (pre v2.10) and was thinking to put the smtpd_recipient_restrictions as follows. smtpd_recipient_restrictions= permit_mynetworks, ...
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2answers
3k views

Combining multiple SPF records - SenderID - kind of lost

Tried to read up on SPF record creating but I am a bit lost. I need to combine and create an SPF record because our email is not getting through. Here are the ways we send email: Daily ...
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1answer
881 views

postfix mails goes to hotmail junk

I have a problem that I can't solve which is whenever I send an email from my mail server to Hotmail, it gets into the Junk folder. I'm using CentOS 6.3, SELINUX is disabled. Here are my named zone ...
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2answers
127 views

Proper SPF setup to allow my server and Google

This is my first time setting up SPF records, so I'd just like some experienced eyes to make sure I'm doing this properly. I have several domains, but I'll focus on one of them: propertysolved.com I ...