[CentOS] Sendmail is not putting the full information in the received header anymore

Filipe Brandenburger filbranden at gmail.com
Wed Aug 13 02:19:35 UTC 2008


On Tue, Aug 12, 2008 at 09:38, Jason Pyeron <jpyeron at pdinc.us> wrote:
> Previously, when our server received an email it would slap the rcpt to in the
> received headers by adding a for <...> any ideas what has changed?

In my (vast) experience with e-mail (most of it with Postfix though) I
observed this behaviour when the message was for multiple recipients.
IIRC, Postfix adds a "for <...>" only if the message is for one
recipient only. Probably sendmail will do the same, as the problem is
inherent to SMTP mail handling (where one message may be directed to
multiple recipients). I remember the first time I noticed that I was
puzzled by it as well.


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