DomainKeys Identified Mail is a scheme for signing and verifying email messages to confirm that that the source hasn't been forged, and is typically implemented by MTAs. The source MTA adds a header to the message body containing a signature, and the destination MTA verifies this signature against a ...

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38 views

which domain do I setup DKIM on?

I'm trying to set up DKIN on for my organizations bulk mailing operation. Our bulk mailer is on one domain, test-news.org but all our mailings have user@test.org on the from line. I'm confused as to ...
0
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1answer
597 views

OpenDKIM Unable to bind to port Permission Denied

I see a lot of this kind of problem, but with the "Address already in use" error and not the "Permission Denied" error I am getting. I installed OpenDKIM via this blog: http://blog.matoski.com/...
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votes
1answer
256 views

Mails going to spam. Please see the details [duplicate]

My hostname is properly set up. Host file has proper entries. Mail header shows SPF pass. IP is not balcklisted. Mail body is also fine. Only thing don't have is DKIM setup. Now I have got two ...
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1answer
282 views

Have Postfix/OpenDKIM sign only authenticated and local origins

I'm signing email just fine, but I don't want to sign relayed email when the "From" address is one of the domains I'm signing. What's the right way to configure Postfix/OpenDKIM to sign only from ...
0
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1answer
254 views

opendkim requires libcrypto [duplicate]

I am trying to install opendkim. For that, I used rpm to install epel, then did yum install opendkim. However, I get the following dependency errors: Error: Package: opendkim-2.9.0-2.el6.x86_64 (epel)...
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votes
1answer
114 views

Will setting up DKIM on Google Apps interfere with mail sent from the web server using the same domain name

I would like to set up DKIM on my domain for messages sent using Google Apps. I understand how to do this but I am concerned that if I have a DKIM DNS record for the domain, messages sent from the ...
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votes
1answer
917 views

OpenDKIM - verifying mail forwarded by mailing lists

I'm using OpenDKIM for verifying signed mails that are incoming to my mail server and use it as a spam addon (if dkim is broken, mail lands in Junk). However, I'm getting lot of false-positives with ...
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votes
1answer
849 views

dkim-milter appears not to be signing my emails correctly

I have a VPS that I had a fresh install of CentOS 6 on it and then I installed virtualmin on it and we've been great for a few months. I've been hosting a handful of domains from there and on one of ...
0
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1answer
655 views

unknown configuration line “INPUT_MAIL_FILTER(dkim-milter, S=inet:8891@localhost)”

I followed a tutorial using the socket connection dkim-milter to sign my outgoing mail. I did it and the conf file loaded fine. But I discovered that my mail were not signed. I found many other ...
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1answer
743 views

Dkim DNS Setup: dig +trace finds the key, dig notrace doesn't

i'm setting up DKIM for my domain to sign outgoing mails. I've got some issues on DNS configuration, because DNS configuration is mixed between external DNS (hosting) and a cloud server, which sends ...
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1answer
844 views

How to write DKIM TXT DNS Record in GoDaddy?

I am trying to understand how I should write my DKIM key in GoDaddy. What I wrote in the picture is my guess but I will then add my DKIM Key to sendmail and if I'm note sure this one is right I'll ...
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1answer
1k views

named.conf to include zone file and opendkim conf

I would like to separate out opendkim default.txt from zone file and to be include in named.conf instead. I'm a little bit confused on which approach I should use and which is the correct one. ...
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1answer
235 views

How to Masquerade Sendmail Domain and Make DKIM Use the Correct Domain

I have a single domain with a dozen subdomains for different sites. Each has a separate virtual host in apache. I configured sendmail to masquerad as the top-level domain so that emails are always ...
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1answer
83 views

speed DKIM signing in mail server

I'm running email sending campaigns with milions of emails, and I need to sign each and one of them with DKIM. Unfortunately that's the bottleneck of the process. I wonder if I can calculate a DKIM ...
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1answer
176 views

DKIM signing having same public key

I have 20 servers hosted on orderbox DNS hosting,I have set up opendkim on all servers with signing by domain say "example.com" i.e d=example.com in DKIM header of all the server outbound mails. The ...
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2answers
676 views

How do I set up DomainKeys/DKIM and Sender ID

I have searched far and wide for a guide on how to setup DomainKeys/DKIM and Sender ID. I understand there are text records you add to your DNS, but I cannot find out how to create theses, ...
0
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1answer
107 views

Rewrite header when no dkim header for specific domains

I have been receiving a lot of mails that are "From" my domain. These mails have usually a different return path (spf passes), but have for example my email in the to and the from header. Spam-...
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2answers
702 views

How to setup same DKIM setings for multiple servers

I have three servers configured to relay mail. I am using dkim-milter with postfix on CentOS 5.5. I created domain keys on the command line for each server. My issue is that the domain key is ...
0
votes
1answer
125 views

Spf dkim edit dns zone mailing issue

I am running an hosting company and i was previously affliate of hostgator. when i sent mails from my domain to my customers it would come as info@example.com via hostgator.com and mailed by ...
0
votes
2answers
354 views

Simple Outgoing Mailserver With Dkim filters [closed]

What is the most simple MTA to use and configure on Debian 6 squeeze, with dkim filters? I would like to only send mail from it, not receive. Google apps handles my inbound email.
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votes
1answer
383 views

Can I use DKIM verification without DKIM signing?

I'm using iRedMail and im wondering if I can use only DKIM verification and dont signing emails with DKIM??
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votes
1answer
882 views

DKIMPROXY signing wrong domain

Just.... wont sign a thing... The dkimproxy_out.conf: # specify what address/port DKIMproxy should listen on listen 127.0.0.1:10028 # specify what address/port DKIMproxy forwards mail to relay ...
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votes
1answer
846 views

Opendkim verification when using Dspam

I have Opendkim working well for signing messages but verification fail, I guess that's because emails are injected from Dspam on 127.0.0.1:25000 so Opendkim try to sign the mail instead of verifying ...
0
votes
1answer
996 views

DKIM passes everywhere apart from Yahoo!

I'm using dkim-milter, Postfix on Ubuntu (I think I used these instructions for setting up). Anyway, using the reflectors such as Port25, BlackOps and Altn.com I get passes for DKIM: X-DKIM: OpenDKIM ...
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1answer
4k views

I can't send email from my server to gmail addresses

I'm using postfix, and have setup spf, dkim, and domainkeys. I can get my email to go to Yahoo, but not gmail. Here's the headers from an email send to Yahoo. Yahoo reports the email as domain key ...
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votes
1answer
3k views

Emails are going to spam

Hey guys, I am currently running exchange 2010, I have implemented SPF record, and tried to implement dkim/domain keys using domain sink, but it doesn't seem to work. The problem I am having is that ...
0
votes
1answer
147 views

Changing DNS Name checking

using windows 2003 Server with DNS service brought me to the option of "name checking". Our current setting is "RFC only". This settings prohibits names with underscore at the beginning, which is ...
0
votes
1answer
18 views

Sending email from Google, Amazon and own mailserver from same domain with DKIM

I have a domain (example.org) for a organization, and we send different types of e-mail: I send email (From: user1@example.org), using my local email-server An other user (From: user2@example.org) ...
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votes
2answers
27 views

Service to test outgoing mail for SPF/DKIM/SRS validity?

We're setting up a redirection-based mail server with a lot of complex moving parts, including the standard ones that apply to everyone like SPF/TLS as well as the more complex ones needed to ensure ...
0
votes
0answers
6 views

exim4 dkim only signing emails from root

I have set up exim4 on my raspberry pi, and configured exim to sign emails with dkim. This works perfectly when an email is sent from "root@mydomain.com", but when I send an email from any user other ...
0
votes
1answer
20 views

Local mail not signed, Postfix, DKIM, Mandrill

I am running a Postfix mail server for my client. Mail is relayed through Mandrill. Mandrill requires a valid DKIM signature. This works all right for relayed mail. That is, mail sent through ...
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votes
0answers
15 views

Postfix mail always in spam [duplicate]

I've installed and configured postfix trying to find the best way on the web. This is postfix main.cf: smtpd_tls_security_level = may smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout =...
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votes
0answers
81 views

dkim=temperror at hotmail and dkim=pass at gmail

When i send emails to hotmail, i get dkim=temperror. However, my dkim records are good as checked by gmail. At hotmail, i get also spf=pass, X-AUTH-Result: PASS, X-SID-Result: PASS 7 days ago, i ...
0
votes
1answer
44 views

Debugging dkim=fail using sendmail+dkim-milter

I'm setting up a CentOS server with the sendmail MTA to send DKIM-signed mail (sending domain is @brighter.do). I have succeeded in routing mails through the dkim milter; however, they arrive at my ...
0
votes
1answer
51 views

Does DMARC send alerts even upon successful delivery?

I keep getting DMARC reports that show that my IP passed all SPF and DKIM checks. Is this just an email to say that everything's fine or is it an indication of a problem? If the latter, there's ...
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votes
0answers
115 views

How to send DKIM signed email with PHP Mail

I'm using Cacti and the PHP mail option. I want to sign my emails with DKIM I have setup rsa key, signatures, and keytable with opendkim. Opendkim conf which I added to is below taken from a tutorial. ...
0
votes
1answer
57 views

DKIM signature and hmailserver - Your DKIM signature is not valid

I'm trying to get DKIM working on a domain using hmailserver as the mailserver, but I keep on getting Your DKIM signature is not valid This is from www.mail-tester.com The DKIM signature of your ...
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votes
0answers
11 views

Yahoo marked my mail as spam [duplicate]

Yahoo is marking our mail as spam. Mail header says that Domain Key, PTR, SPF all ok. From Abrabos Mon Jan 18 23:41:38 2016 X-Apparently-To: carry.vaillant@yahoo.com; Mon, 18 Jan 2016 23:45:10 +0000 ...
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0answers
160 views

DKIM fail signature doesnt verify

I had setup postfix and dkim and keep on getting dkim=fail on port25 and gmail checks. DKIM check details: Result: fail (signature doesn't verify) ID(s) verified: Canonicalized Headers: subject:...
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votes
0answers
120 views

DKIM, SPF, DMARC, SPF OK mails are flagged as SPAM

I have a dedicated server running CentOS7 with Postfix, the problem is that all the sent mails are flagged as SPAM by hotmail and gmail despite DKIM, SPF, DomainKeys, DMARC records and keys wich are ...
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votes
0answers
722 views

DKIM-verification fails because of “insecure key”

I have my Debian (7.9 "wheezy") E-Mail-server (Postfix 2.9.6-2) setup to sign and verify DKIM signatures in e-mail messages using OpenDKIM (version 2.6.8-4). When I send myself an e-mail from my ...
0
votes
1answer
55 views

Amazon SES DKIM signing with Route 53 issue

I had DKIM signing setup and working fine for my example.com for years. But recently i moved my DNS to amazon Route 53 and added all records there, including the CNames that was previously with the ...
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votes
0answers
805 views

Configure SPF for gmail account

I am really new to this @ v=spf1 include:_spf.google.com ~all 1 Hour I have added the above spf setting for admin@studentclutter.com as it is a google apps email account However, I am getting ...
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votes
2answers
392 views

Exim4 doesn't add DKIM signatures

I cannot overcome a problem with exim - it's not adding DKIM headers to my outgoing mail. support:~# cat /etc/issue Debian GNU/Linux 7 \n \l support:~# dpkg -l|grep exim ii exim4 ...
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votes
1answer
125 views

Prevent Email Going to Spam [duplicate]

I've set up my own server and I'm really struggling to stop any outgoing email go to spam. I've used allaboutspam and mail-tester.com to test it and they both come back with perfect results. No ...
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0answers
723 views

new dkim config -> opendkim-testkey: record not found

I am trying to set up dkim and I cannot get it to work or test properly, and I get the following error: opendkim-testkey -vvvv -d domain.com -s default opendkim-testkey: checking key 'default....
0
votes
1answer
82 views

Partial DKIM pitfalls?

We've recently implemented DKIM for automated emails sent out from our website (SMTP on static IP). However we cannot implement DKIM for our hosted exchange email accounts (managed hosting sends from ...
0
votes
1answer
103 views

DKIM wrong selector / domain

We're having an hard time setting the DKIM record for our sender domain. I'll get into more details: We have a valid key (check) for a sending subdomain (email.mydomain.com) with selector ESP1024 In ...
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votes
0answers
37 views

Sign with one DKIM key for all subdomains [duplicate]

I've set up DKIM key for primary domain as per this tutorial: http://askubuntu.com/questions/134725/setup-dkim-domainkeys-for-ubuntu-postfix-and-mailman Can I use the same key to sign for subdomains ...
0
votes
1answer
62 views

Using DKIM in my server for multiple domains (websites)

As I couldn't find this exact tutorial in Stack, I share my findings with al of you. I always get things solved thanks to this comunity. Thanks! Original question: I've read the tutorial posted by ...