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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3answers
109 views

DKIM partial implementation

My organization has 2 mail servers. One is our MS Exchange server for corporate mail. The other is an SMTP server (not Exchange) our application uses to send automated email notifications to our ...
0
votes
1answer
381 views

dkim-testkey return keys do not match after key's creation

as in the title I am struggling with the creation of the dkim key. For key creation I use these commands openssl genrsa -out s1024.private 1024 openssl rsa -in s1024.private -out s1024.public -pubout ...
0
votes
2answers
863 views

DKIM multiple mail servers

We currently have a single mail server (RHEL/sendmail) for all mail "mail.example.com". We have added a second mail server "email.example.com". We intend to use this for bulk email, while ...
0
votes
2answers
288 views

Yahoo is sending our server's transactional email to the Spam folder, even though we have set up SPF and DKIM

Yahoo Mail is sending our server's transactional emails to the Spam folder, even though we have taken quite a few anti-spam steps. By contrast, Gmail allows the messages through to the inbox just ...
0
votes
2answers
1k views

How to install dkim for postfix in centos 5.4

I am trying to install DKIM for my postfix so that i have a signature. I am following this guide: http://allaboutlamp.com/2009/09/setup-dkim-for-postfix-in-fedora-using-dkim-milter/ But how do i ...
0
votes
1answer
698 views

DKIM and Request-Tracker Headers

I have a domain that sends two different types of emails: ones that are created via automated processes like notifications that go out to users, and ones that are generated from Request Tracker (the ...
-1
votes
2answers
43 views

E-mail reputation using our domain as the from sent by e-mail marketer

My boss wants to send a marketing e-mail to a large group of our customers. I personally feel that it's outside of our core business and don't support it, but that's about all I can do. Normally the ...
-1
votes
1answer
300 views

Confused with Domainkeys. Help?

I generated a domain key for my domain at http://www.socketlabs.com/services/dkwiz and got the following two things generated. Generator Key1: Setting up Hurricane Server Edit the configuration for ...
-1
votes
2answers
507 views

GMail detecting mail as spam [duplicate]

I've been trying for a long time to get our company's mail server send mail that will get accepted by the GMail spam filter. I have managed making it work for Yahoo Mail and Hotmail, sadly GMail is ...
-1
votes
1answer
99 views

Outbound mail signing…?

My scenerio is " php application---->Load Balancer----->smtp server...>relaying My load balancer receiving mails from php application from different domains now for DKIM we need to sign by ...
-1
votes
1answer
588 views

How do I setup Postfix (Ubuntu) and Google Apps to DKIM sign outgoing emails?

I am using Linode and have built a LAMP stack. I setup Google Apps (free edition) to handle all incoming mail. I've also setup Google Apps to use DKIM authentication. The problem is when my ...
-1
votes
1answer
2k views

dkim signature not present or bad format

I'm going mad with dkim-filter + postfix. My message are signed but Gmail notify me errors like "dkim=neutral(no signature)" or "dkim=neutral(bad format)" I don't know what is wrong. I've generated ...
-1
votes
1answer
507 views

Debian Unstable + Postfix 2.6.5 + dkim-filter 2.8.2 issue

I have Postfix installed on Debian Unstable, as the title states, the system is completely up-to-date, I have tried to get DKIM signatures working on outgoing mail using dkim-filter 2.8.2. I couldn't ...
-2
votes
1answer
142 views

Need a good guide for setting up postfix [closed]

I will be sending mail from my machine (just sending, not receiving any) I'm looking for a good guide that will help me configure it with all the things that are required so that receiveing servers ...
-2
votes
1answer
135 views

Modify DNS TXT Record in Domain Control Panel or Apache [closed]

I am trying to setup DKIM for email verification and have been asked to add a public key to my DNS. Add public key in your DNS; here is a sample resource record with selector "default": ...
-3
votes
0answers
24 views

vestacp external DKIM key records not working

For testing purpose i hosted one of my domain on vestacp and configured mail server on another server, i use opendkim for outgoing mail signing on mail server and the public key added in vestacp DNS ...
-4
votes
2answers
353 views

DKIM do I need to allow port 8891 on my firewall? [closed]

I'm trying to set up dkim on my server so my emails are less likely to end up in my customers' spam. Quick question: does port 8891 need to be opened? I'm using ufw. Many thanks in advance,
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votes
2answers
311 views

SPF and DKIM configuration with postfix [closed]

I am using Centos-5 and have configured postfix mail server. How to i configure SPF and DKIM in Postfix.