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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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 ...
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Postfix & DKIMproxy woes: Connection Refused

I have my server setup exactly like this article here: Getting DKIMproxy installed and configured, yet I am having the following issue. When I go to send an email to my server through port 587, I get ...
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DKIM sign outgoing mail from any domain (with Postfix and Ubuntu)

I got DKIM setup on my mail server (postfix and ubuntu) so it signs outgoing emails. I used these instructions: https://help.ubuntu.com/community/Postfix/DKIM However, I need it to sign emails from ...
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Postfix with DKIM on Ubuntu

I want to improve deliverability for my outgoing emails with DKIM. I've gotten dkim-filter installed for postfix, using this tutorial https://help.ubuntu.com/community/Postfix/DKIM It seems to be ...
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1answer
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Yahoo Domain Keys setup, getting dkim=permerror (no key)

I'm working on getting DKIM installed on my outgoing mail server, to help my email deliverability to my Yahoo clients (all legit emails, etc, no spamming). I've got DKIM-Signature: and ...