Space a valid delimiter for email addresses in email header?

Posted by semanticalo on Server Fault See other posts from Server Fault or by semanticalo
Published on 2010-10-04T07:36:08Z Indexed on 2010/12/26 5:55 UTC
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email

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mime

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rfc

Is it syntactically correct to delimit multiple email recipients in the "To" header of an email with spaces only or do I need to use another delimiter (a semicolon or the like)?

Example (MIME data reads as follows):

Date: Mon, 04 Oct 2010 06:14:16 +0200
From: [email protected]
To: [email protected] [email protected] [email protected]
Subject: Test Subject

The above will be processed by many email processing applications, but I need to know whether it's correct according to standard (RFC). Unfortunately I didn't find anything useful on the internet so far.

Thanks a million for your help!

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