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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1answer
91 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 ...
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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 ...
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votes
1answer
500 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 ...
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votes
1answer
141 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 ...
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votes
0answers
22 views

amavisd: Unrecognized character \xBB; [migrated]

I have a problem to start the amavisd. When I try to start with /etc/init.d/amavis start I get the following error: Starting amavisd: Problem in Amavis::DKIM code: Unrecognized character \xBB; marked ...
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votes
1answer
93 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": ...
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votes
2answers
291 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.
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votes
2answers
151 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,