Questions tagged [dkim]

DomainKeys Identified Mail (DKIM) is a method for associating a domain name to an email message, thereby allowing a person, role, or organization to claim some responsibility for the message. The association is set up by means of a digital signature which can be validated by recipients.

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DKIM setting for Telus?

Does anyone know what I need to add to create a DKIM record for my domain if my ISP is Telus? I tried contacting Telus tech. support but no one there seems to have any idea what DKIM is. Telus now ...
fullerm's user avatar
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3 votes
2 answers
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Setting up DKIM, SPF, and DMARC Records for Domains that You Won't Use for Email

I have a few domains out there that are never used for email. If you look at the domains, you'll know the company. This makes me wonder, should I set up DMARC, DKIM, and SPF for these domains even ...
Varinia Devorah's user avatar
5 votes
2 answers
267 views

Yahoo rejecting email after registrar change

I recently changed registrars and DNS location from Tucows to Cloudflare for one of my domains. During the change, Cloudflare copied my existing DNS records including SPF, DMARC and DKIM keys. The ...
Trebor's user avatar
  • 3,155
2 votes
1 answer
242 views

Can I replace rua entry with ruf in DMARC record?

I currently have a DMARC record set up like this: v=DMARC1; p=none; fo=1; rua=mailto:[email protected] but I am receiving a lot of reports everyday. I would like to only receive failure reports (...
user1448031's user avatar
3 votes
1 answer
80 views

Intermittent DKIM authentication failing

We are recently deploying DMARC and seeking additional details about an issue. DMARC is configured in the most basic way: v=DMARC1; p=none; rua=mailto:[email protected] Our primary server ...
But those new buttons though..'s user avatar
7 votes
1 answer
549 views

How to handle duplicate DKIM selectors?

Background When using third party tools which send mails from your domain, you often need to setup DKIM records with selectors defined by the third party. E.g. for MailChimp you're asked to setup: ...
JohnLBevan's user avatar
2 votes
0 answers
47 views

Sending email via MailChimp with 2 different "from" emails causes vastly different stats

I have two domains: abc.example xyz.example Both have the same DMARC and DKIM DNS records (relative to their own domain), both have same scores when checking black lists, mail tests sites etc ...
pee2pee's user avatar
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2 votes
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Gsuite - Mailed-by and from. How to have a mailed-by as subdomain but the from is the primary domain - in gSuite (Gmail)

I want to have my email "from" to be from my primary email (gSuite), adn the mailed-by be from my subdomain (which I have added to my Gsuite account). Is this possible in GSuite? I know ...
Aaron's user avatar
  • 21
1 vote
1 answer
297 views

Is DMARC relaxed alignment for SPF/DKIM bad?

After studying authentication mechanisms available to prevent e-mail spoofing, still I don't understand how to choose between the relaxed alignment and the strict alignment in DMARC for SPF and DKIM, ...
Vincent's user avatar
  • 13
1 vote
1 answer
133 views

How to find the DKIM selector without being the owner of the domain? [closed]

it seems the emails of my client are always landing in my Spam folder. I suspect his DKIM TXT record is missing (or even the subdomain at all). I would like to validate this before suggesting help on ...
Martin Braun's user avatar
4 votes
4 answers
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Do subdomains inherit DKIM keys? Can a DKIM SDID for one domain be used to validly sign mail that appears to be sent from another domain?

Suppose no DKIM keys are defined for sub.example.com, but a key with selector mykey is defined for example.com; that is, a DKIM record exists at mykey._domainkey.example.com in the DNS. Can <alice@...
Jivan Pal's user avatar
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0 answers
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Why can't I send emails with my domain name emails without deliverability issues?

I have separate my website and email hosting. I use yandex smail service for email hosting. Everytime I send and email to an address, I get no dkim authentication issue even though, I have configured ...
Superhuman's user avatar
1 vote
1 answer
294 views

If I have 2 services sending email using my domain name, can I set up DKIM for one but not the other?

I develop WordPress websites and frequently create contact forms that send email with a From address using the domain name of the website. Typically the business that the website is for is already ...
Highly Irregular's user avatar
2 votes
1 answer
92 views

DMARC report: systematic SPF failure for a domain

I get DMARC reports sent from various different sources. All of the reports generally have <result>pass</result> for all of the sections. However, the reports from Google always have SPF ...
SupGen's user avatar
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1 vote
1 answer
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DKIM fails in DMARC report but not when checked independantly

I've been getting DMARC reports for a new domain I setup saying that the DKIM check is failing. The emails don't get blocked because I haven't set it up to be quarantined or blocked yet. If I check ...
pkntl's user avatar
  • 21
9 votes
2 answers
1k views

Why is google.com trying to send emails from my domain?

I pulled up a DMARC Analyzer report showing emails received on behalf of my domain: In addition to my normal authorized (SPF+DKIM aligned) personal emails from the protonmail.ch domain, there are ...
Maximillian Laumeister's user avatar
3 votes
1 answer
798 views

DMARC failure on forwarded SharePoint Online emails

I have a client that uses SharePoint Online but insists on using Gmail. Each user has a O365 account with an Exchange Online mailbox and mail flow/delivery options are set to forward all incoming mail ...
WillSL's user avatar
  • 39
7 votes
0 answers
2k views

SPF and DKIM vs email forwarding addresses: how to avoid being rejected as spam? [closed]

Situation: I am sending emails from [email protected] to [email protected]. My DNS for mydomain.com is correctly configured with an SPF record. The recipient at example.org is able to receive my emails ...
RocketNuts's user avatar
3 votes
1 answer
2k views

DKIM fails for Gmail only. Emails in spam

I've been banging my head at this for 2 days. I've installed a fresh copy of Virtualmin and I enabled DKIM as mentioned in the documentation. Everything went fine. I've added spf and dkim records in ...
Whip's user avatar
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2 votes
1 answer
2k views

Can I delete TXT record after DKIM configuration?

I've added a TXT record to my domain DNS configuration in order to configure DKIM. Can I delete that TXT record after DKIM configuration?
notGeek's user avatar
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2 votes
0 answers
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DKIM Key Implementation

I am trying to implement DKIM for my contact forms, and have the required DKIM key from my DirectAdmin control panel. I also assume it is a 1024-bit key since there is an "rsa" reference in the same ...
Andreas Belivanakis's user avatar
5 votes
1 answer
79 views

How do email spam filters tell if a spam email was maliciously sent with intent to shutdown a real email address?

So for example, let's say we have a legitimate user from "[email protected]" who sends real emails. However, there is a malicious individual who is using their own server or some other email service ...
wlingke's user avatar
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1 vote
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220 views

Problems with replying to Mailchimp Campaigns at forwarding addresses

I have used MailChimp for a few years without any problems. I set the campaigns up with different reply to email addresses and all was well. But one provider I know was blocking and bouncing emails ...
youngros's user avatar
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my website can no longer send email and I didn't even change the code [duplicate]

After receiving reports from my website assistant that he was unable to receive email resulting from a user performing an action that would generate an email to him, I decided to test a function on my ...
Mike -- No longer here's user avatar
3 votes
0 answers
255 views

WHM's Exim Advanced Editor not accepting settings for DKIM

I'm running Centos 6.7 and WHM 54.0, with Exim running on it: Exim version 4.86_1 #1 built 04-Mar-2016 17:12:16 I'm trying to configure DKIM for my outbound mail, which in part I've mostly got ...
Gregory William Bryant's user avatar
2 votes
2 answers
280 views

Are SPF and DKIM records needed when the SMTP IP is marked as a subscriber block?

I have been searching around, but not sure of all the facts I need. Let me explain. I have stayed out of the SMTP game for a while and have become ignorant of the newer developments. Prior to my ...
closetnoc's user avatar
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8 votes
3 answers
5k views

DMARC: SPF Fail, DKIM Pass, Source IP: not mine!

This is an odd one: <record> <row> <source_ip>65.20.0.12</source_ip> <count>2</count> <policy_evaluated> <...
nedge2k's user avatar
  • 161
23 votes
1 answer
30k views

Do SPF and DKIM TXT records require quotes?

I have been searching for some hours now, but multiple sources say different things. https://support.wordfly.com/hc/en-us/articles/204767474-How-do-we-publish-DKIM-and-SPF-in-our-DNS- States I should ...
Neograph734's user avatar
1 vote
0 answers
306 views

Determining DKIM Selector and Key Values for my domain, hosted on 1&1 [closed]

I have a client that is with 1&1 (yeah, I know). He's asked me to set up SPF and DKIM records for his domain. I am not experienced with email configuration (I'm just a lowly web developer) but I ...
Kev's user avatar
  • 11
2 votes
2 answers
4k views

Creating a custom DKIM (Domain Authentication) in DNS settings

I'm trying to do the following as told by MailChimp: Set a TXT (SPF) record for lakesentrancesurflifesaving.org.au to: v=spf1 include:servers.mcsv.net ?all Set the CNAME record for k1._domainkey....
Taz's user avatar
  • 123
2 votes
1 answer
4k views

aws - DKIM Signing:waiting on sender verification

I followed this doc to setup easy dkim on server. After updating dns server as said in doc DKIM Verification Status changed to verified but DKIM Signing status still on waiting on sender verification....
The_ehT's user avatar
  • 123
1 vote
1 answer
320 views

Where to place the SPF records and Google Apps DKIM on a multidomain website?

We're having issues with spam filters with our emails. They're not being received by our clients about half of the time. We decided to make sure the SPF and DKIM are correctly set. Suppose I have a ...
Sergi Juanola's user avatar
1 vote
1 answer
1k views

SPF, Domainkey, DKIM do not work in plesk 12

I followed tons of online tutorials, guides and even the post here about setting up SPF records in Plesk 11. I'm using plesk 12 on Ubuntu 12. I have set the following: *.webmail.gecab.nl. CNAME ...
Patrick Gerrits's user avatar
1 vote
1 answer
425 views

How do I add an spf for a Postmark App sender signature when there's an existing spf record?

I'm using the Postmark App service ( https://postmarkapp.com/) to handle the transactional mail delivery for my web app and I set up a sender signature email address ( [email protected] ) for it ...
racl101's user avatar
  • 113
14 votes
3 answers
33k views

Sent emails pass SPF and DKIM, but fail DMARC when received by Gmail

Gmail is marking my email messages as Spam. The messages pass SPF and DKIM, but fail DMARC. Is there some way to make my messages pass DMARC? I recently signed up for WordPress hosting at Flywheel, ...
nielsbot's user avatar
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