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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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I've published a DMARC record, but it's only checked sporadically

I've set up SPF, DKIM, and now DMARC (reporting only) on my site. Sometimes when my site sends me an email, I can see that my GMail inbox has evaluated SPF:Pass, DKIM:Pass, and DMARC:Pass, but sometimes I only get SPF:Pass and DKIM:Pass, with no…
Qaz
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SPF for amazon EC2 and route53

I am attempting to setup my own email server on ec2. Also, I m using route53 for DNS. Also, I m using elastic IP to get static public IP. My question is where will i setup SPF, DKIM and DMARC records in route53 or in my bigrock control panel. My…
user3698694
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What policy have bigger priority DMARC or SPF?

Lets provide hypothethical situation: We have configured two records: spf ~all which mean its softbounce and all mail which dont pass my spf goes to spam v=DMARC1; p=none; sp=none; So which policy have bigger priority. Does this combo mean that…
Tigran Grigoryan
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How to Implement and Check DKIM in Salesfroce

Could you guys explain to me that how to implement and check DKIM in Salesforce with example Thanks in Advance, Vingesh.B
Vignesh B
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DKIM validation fails when SPF record is present

I have recently set up TXT records for DKIM and SPF for a domain. SPF alone works great, and so does DKIM. But when both SPF and DKIM is configured, DKIM validation fails. I have tried a variety of test tools, e.g. https://www.mail-tester.com and…
Jimmy Thomsen
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How to configure custom nameservers with dedicated server and different domain Provider

I would like to know how to point mydomain.it to my dedicated server. I explain my situation: I have a Dedicated server on SingleHop. I have the domain "mydomain.it" on Siteground. I created on my Dedicated server the nameserver:…
michele.falconi
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Error when trying to enable DKIM in Virtualmin

I am trying to enable DKIM signing in Virtualmin per these instructions. When I save the changes, it begins adding DKIM records to the various virtual domains, until it hits a specific domain which has lots of alias domains. It stops with this…
Ryan Griggs
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Disable DMARC for inbound mail

I have in-house SMTP server with SPF, DMARC and DKIM configured for my domain. For inbound mail I use 3d party service. MX is included into SPF record v=spf1 a mx include: _spf.mailprovider.com include:spf.mail.example.com ~all DMARC is configured…
Ilya Cherevkov
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Order of security checks for incoming email

Team, I would like to know the order in which checks like ( spf check, reverse DNS check, DKIM check) are performed for incoming email. Is this vendor product specific?? If particular order is followed, the reason for it. Thanks in…
Karthik reddy
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email sender authentication with Postfix

I have setup PostFix for receiving emails only. I want to authenticate the received emails against their sender email addresses by using SPF or DKIM. Is there a good java plugin available for this? or do i need to write my own in java (other…
Ashish Sharma
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Issue with Gsuite

Can anyone help what causes Gsuite to do this? It says: GSuite error 550 5.7.26 mail is unauthenticated. The sender must authenticate with at least one of SPF or DKIM. Tried to click the google support link but nothing helped at all. Can someone…
Darym B.
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If I change the email address that we use in our PHPmailer, do I have to change the DKIM keys/domain as well?

We have a new email address that we would like to use in our PHPmailer. Once I changed it, it stopped working. Is there any settings or DKIM config I need to change as well?
Coco
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WHAT is "IN" in DNS records?

What is the proper meaning of the "IN" word in DNS records? DNS records are an important part of DNS zones. So I want to know that there is an "IN" word included in every record. what is the meaning? It would help clarify what such a piece of…
Samuel B
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Email received in spam gmail

My mail is passed with SPF,DKIM,DMARC and RDNS.I checked blacklist using mxtoolbox, it is not blacklisted but still my mails are going spam in gmail,outlook.Please give any suggestion.
Giri Profile
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Email spoofing possibility?

I would like to know if it is possible to spoof an email address like in the following scenario. If so, what other measures could I adopt in order to prevent the spoofing? Do I need to make use of SPF, DKIM, etc? If so, then how?
Angel
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