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postfix-users: Re: Messages w/ No Subject

Re: Messages w/ No Subject

From: Sahil Tandon <sahil_at_nospam>
Date: Mon Oct 11 2010 - 23:59:17 GMT
To: Carlos Mennens <>

On Mon, 2010-10-11 at 19:41:08 -0400, Carlos Mennens wrote:

> I was wondering how mail administrators using Postfix handle messages
> w/o any subject material? I don't know if this is an RFC guideline
> that requires email to have a subject but I find it extremely annoying
> when email doesn't have a subject. I don't know if that's just
> personal preference or if it's an actual guideline for mail to have
> 'subject' data. Do you guys reject mail if no 'subject' is present in
> the message?

I agree that mail without a subject header is annoying, but - IMHO - it
would be unwise to reject based simply on that. RFC 5322 notes that the
header field is optional. Rather than rejecting, you can increase the
spam score for such messages, or do something analogous within our mail
infrastructure. But it's your server, and to the extent you control
policy, do as you please.

-- Sahil Tandon <>