Questions tagged [spf]
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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Change Envelope From to match From header in Postfix
I am using Postfix as a gateway for my domain and need it to change or rewrite the Envelope From address to match the From header. For example, the From: header is "[email protected]" and the Envelope ...
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Postfix failed SPF check
I'm using postfix to send mail from my own domain and postfix-policyd-spf-perl to check SPF.
SPF check fail only when I send an email from my own domain to my own domain.
In summary :
mydomain -> ...
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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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SPF failure when sending to Google despite server being authenticated
I have encountered this issue several times recently and I've been struggling to confirm the source of the problem.
Most recently, I saw this on a domain that uses Kerio for email. We'll call their ...
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Set SPF to send email using Gmail
(Disclaimer: I totally suck at being a sysadmin)
I am sending email for a domain using Gmail. The domain is partyboatcharters.com.au (I hope I am allowed to put domains here). Gmail is configured to ...
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Google G Suite DMARC + SPF + DKIM for user domain aliases fail Google Admin Toolbox CheckMX
I have set up the above in my Google's old G-Suite account for a User Domain Alias but am still getting two warning messages:
https://webcoder.co.uk
There were some non-critical problems detected with ...
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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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With valid SPF, DKIM, and DMAR, Office 365 email still goes to junk mail and got Authentication-Results-Original: spf=none
My goal is to be able to send email from my website using smtp.office365.com and the emails will go into inbox instead of junk mail. But so far, I have not succeed.
If the receipt is gmail, the ...
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How to avoid gmail orange mark and spam filter when using cloudflare proxies?
I send emails from my site via php smtp method connected to 'smtp.gmail.com' on 465, and account added to GSuite. All my emails falls in spam folder in Gmail. The kind of emails is just password ...
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Postfix - Recipient Address Rejected on Incoming Mail Only
I am working on building a secure mail server for the first time using Postfix and Dovecot and I have encountered a problem that I cannot surpass.
To avoid the email delivery in the spam box of ...
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1
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DMARC fails on forwarded mails without DKIM
I am running a mail server (postfix) on a VPS that is set up to forward all mail sent to an address in my private domain to a GMail address. SPF, SRS, DKIM, and DMARC are set up for my mail server and ...
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Difficulty with second domain in an SPF Record (not allowed use email addy)
I'm kinda out of my element here so please forgive me. I have read and googled several spf post and troubleshooting tips but I can't quite figure out what I'm missing.
My test email is failing ...
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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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SPF Limits and SPF Merging
I am using Zoho Mail, AWS SES, GMAIL SMTP, Cloudflare email route and Yahoo SMTP. they all have there own SPF record. i saw on Google the only 1 SPF should be added in hostname and maximum 10 SPF ...
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SPF Error - Cannot send emails to @gmail users
I get the following error, every time I tried to send an email to a gmail user.
Error:"This is the mail system at host chimaera.otenet.gr.
I'm sorry to have to inform you that your message could ...
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2
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Managing DNS lookup limit of SPF for a domain with many sending email services
I am webmastering for a sports association, and I would need to set up SPF records for the club's domain. However, I'm exceeding the 10 lookup limit, and would need guidance how to best resolve the ...
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0
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Postfix after-queue content filter
I am running a postfix/dovecot/spamassassin/clamav system on Debian 10 with Postfix 3.5.13 for my domains. One domain has a small private mailing list. If someone writes to the list postfix prepends ...
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2
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Does this report mean someone is attempting to send emails fraudulently or that I have things configured wrong?
Pretty new to spf/dkim and dmark.
After setting this up just this morning I already got a report on a new website. Our service eamils our users via sendgrid and the rest of the emails are sent from ...
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520 ip and spf record not match
We are using Google Workspace and set Email forwarding using recipient address map to forward messages at our domain name (@example.com) to an external domain name (@external.com). Ex. mail sent to ...
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1
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SPF/DKIM and sending emails from parent domain
I'm trying to understand how apps such as greenhouse.io configure DNS for delegating email sending.
In short, assume I am a SAAS provider saas.com and my customer is customer.com. I've seen that it is ...
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SPF neutral on mail sent with SMTP from Gmail. SPF pass on mail sent from inbox for that address on G Suite
The domain name I'm trying to debug is dallaspetsalive.org. This is a G Suite domain.
When I log directly into my G Suite email account for the dallaspetsalive.org address and send an email, I get SPF ...
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Why is opendmarc SPF failing this arriving message?
Why is this incoming message failing?
postfix/smtpd[4776]: connect from mail-mw2nam10on2073.outbound.protection.outlook.com[40.107.94.73]
postfix/smtpd[4776]: Anonymous TLS connection established ...
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Postfix send mail only to GMail, all other domains are deferred and not sended
My Postfix server is running on Debian Stretch. It is able to send emails to a GMail address without problems which are not considered as spam. At the DNS level I configured DKIM, SPF and DMARC and ...
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0
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DKIM failure "message has been altered"
Summary
I have a Mattermost server which needs to send emails out to users when they sign up, etc. These emails are failing DKIM checks and showing up in users' Gmail as spam.
Observed behavior
I ...
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1
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Make my outgoing SPF records strict, and incoming policy lenient (postfix/dovecot)
I recently added an SPF record to my DNS records, so my email is less likely to be marked as spam.
My SPF record looks like this:
mpn.co. 86400 IN TXT "v=spf1 ip4:45.56.81.114 ip6:2600:...
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1
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Gsuite DMARC SPF Setup Failure
I'm using Gsuite with our own domain name "audacy.space". I've setup DMARC, DKIM and SPF, and both DMARC Analyzer and Google's Mx Tool report no problems for the domain. However, our weekly DMARC ...
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What is wrong with this e-mail which is failing SPF(mailfrom) and DMARC?
This is a follow-up from "Why is my opendmarc failing pretty much everything that comes through?". I'm really struggling to understand what is going on.
Outgoing mail is verified correctly by the ...
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Outbound Emails flagged as Spam from Wordpress but not Gmail(DKIM SPF issues)
I recently setup wordpress and pointed my domain to it. With that, we setup gsuite to handle email. We have the domain at godaddy and the server space on a VPS instance. I have added the MX records ...
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SPF softfail on gmail
I'm trying to setup my own smtp server with postfix and opendkim. I have publsished spf/dmarc/dkim recors, set up ptr. But currently, all my mail with any text goes into gmail spam folder. I have ...
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How to setup SPF and DMARC for satellite hosts?
If I send mail directly from relay host - everything works like a charm. All checks are passed.
Delivered-To: [email protected]
Received: by 10.100.182.171 with SMTP id t40csp2626933pjb;
Thu, 26 ...
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mail ends in google spam folder while SPF pass, DKIM pass, DMARC pass
I am trying to send basic mail to a gmail user test and the mail ends up in the spam folder. I don't really understand why. I used to send through ubuntu sendmail, spent a lot of time setting up ...
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DMARC and RFC2298 compliant MDNs with a null MailFrom... Can it work?
This is an issue we're seeing with Exchange Online but it would be an issue with most hosted email I suspect. When Office 365 / Exchange Online sends an automatic reply (Out of Office for example) it ...
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0
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MTA (postfix) failing on one domain relay of a dual domain config
I want MTA to send emails from 2 domains, issues by same server. eEmail is sending from one domain, but failing from the other.
My app server generates smtp email as either mydomain.com or ...
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0
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Sending alert emails from a bunch of servers to G Suite
We have a always changing infrastructure (DigitalOcean droplets and AWS EC2 instances that are created and deleted). We use Ansible to bootstrap VMs and to install netdata on each VM. The goal is to ...
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0
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FCrDNS for a mail server that also runs other services (http, ftp etc)
I am learning how to administer productive internet-facing machines and services, and towards that end setting up mail, web, and a couple other services, all on the same box (budget constraints and ...
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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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0
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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 clientdomain....
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1
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1
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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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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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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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1
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SPF and DMARC - how is the SPF policy used
My domain has a strict DMARC policy (p=reject) and a standard SPF policy with ~all catchall.
My email provider is Google Workspace.
I received an email spoofing my sender address. It came from 41.174....
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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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Should smtp_helo_name always be the same as your MX record?
I can't seem to satisfy HELO checks on SPF records in all cases. I have an SPF record for my domain like this:
"v=spf1 mx -all"
The MX records in the zone are:
mx0.mydomain.org.uk. ...
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How to put a No-ip dns in SPF
I want to whitelist my No-Ip DNS on my SPF record because sometimes it gets targeted as spam because is not listed in permitted senders.
Reading the No-Ip FAQ, it says that I have only to put include:...
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What are these DMARC failures about?
I've been toying with dmarc off and on for the last couple of months. Currently I have no policy set. I am using URIReports for report collection and analysis. Most of the results are good. We use ...
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DMARC, SPF and DNS wildcards
My domain configuration has one domain and three subdomains, one of which is identical to the mail server's hostname:
example.com
sales.example.com
internal.example.com
mail.example.com
I initially ...
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This relay isn't allowed to send mail "From" gmail.com
I'm on GoDaddy and since about January 2024, I've been getting this message from various gmail and yahoo accounts: ECDHE-RSA-AES256-GCM-SHA384:256 CV=yes: SMTP error from remote mail server after end ...
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1
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Why do I need to add third party senders to my domain's SPF record?
It's my understanding that SPF works on the envelope sender/return-path/RFC5321.MailFrom domain. We use a third party email service called Campaign Monitor and their domain has the required SPF record....
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176
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DMARC and Postfix delivery reports
I successfully set up DMARC, DKIM and SPF for my mailserver's domain, but delivery reports created by Postfix fail the DKIM/SPF tests.
The headers of regular messages (sent via my mailserver) look ...
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Howto Whitelist incoming mails Docker-Mailserver (=Postfix)
I recently set up the Docker-Mailserver for our company (v. 12.1.0). It's working well so far, except for one thing: We receive automated emails from a customer's Redmine system. These emails are not ...
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