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Showing posts from April, 2009

How to set DKIM signature in IndiMail

What is DKIM
DomainKeys Identified Mail (DKIM) lets an organization take responsibility for a message while it is in transit. DKIM has been approved as a Proposed Standard by IETF and published it as RFC 4871. There are number of vendors/software available which provide DKIM signing. IndiMail is one of them. You can see the full list here.
DKIM uses public-key cryptography to allow the sender to electronically sign legitimate emails in a way that can be verified by recipients. Prominent email service providers implementing DKIM (or its slightly different predecessor, DomainKeys) include Yahoo and Gmail. Any mail from these domains should carry a DKIM signature, and if the recipient knows this, they can discard mail that hasn't been signed, or has an invalid signature.


IndiMail from version 1.5 onwards, comes with a drop-in replacement for qmail-queue for DKIM signature signing and verification (see qmail-dkim(8) for more details). You need the following steps to enable DKIM. Indi…