ipsure logo
Logo and Language
Login icon Language selection icon
Hello, guest
*NIX Active category menu left background Active category menu right background BACKUP Hands-On blog header image Right block of Hands-On blog header image Final menu block of Hands-On blog header image
MS TIP PKI PROJECTS CMS Türkçe HANDS-ON SERVICES IT BUSINESS CONTACT ABOUT REFERENCES TERMS RSS
Home page Hands-On Services IT Business Contact About References Terms of Use RSS

03/03/2012

Dkim-milter is No Longer Available, How to Use OpenDKIM Instead

Filed under: *NIX — Tags: , , , , — Sezgin Bayrak @ 13:23

spam emailsWhen we implemented DomainKeys Identified Mail (DKIM) with Postfix on FreeBSD, we had used dkim-milter plugin. However, it seems that dkim-milter has expired and recently it has been removed from the ports tree. Consequently, we’ll also move to OpenDKIM which is in fact claimed to be bug free compared to dkim-milter. Installation and configuration approach isn’t going to be much different from dkim milter at bottom, anyway we wanted to give the whole process step by step here. Let’s get to work by first updating our ports tree if it’s stale.

more Read More

18/09/2010

DomainKeys Identified Mail (DKIM) with Postfix (SMTP-Only)

Filed under: *NIX, PKI — Tags: , , , , , , — Sezgin Bayrak @ 22:37

spam emailsDKIM is a sender authentication scheme for signing messages in a way that these messages can be validated by the recipient side. DKIM, which is usually a part of MTA, is based on public-key cryptography therefore the validation process naturally depends on public-private key pair. Signer MTA affixes a digital signature into the message header by “DKIM Signature:” field which will then be used by the verifier side to recover the signer’s public key via DNS and complete the verification.

more Read More