Mystic behavior of multiple recipients mail

[Noel Jones]

On 10/26/2011 1:03 AM, Chan Joe wrote:
> I have a Postfix + Amavisd-new + SpamAssassin as a mail gateway to
> filter out the mails by using whitelist_to and blacklist_to in
> SpamAssassin only, yes everything is so simply, no virus checking,
> no others. Just check the recipient address to decide relay or discard.
> 
> But the thing is, when there is a multiple-recipient mail, lets say
> to white_user1 at test.com
> <mailto:white_user1 at test.com>, white_user2 at test.com
> <mailto:white_user2 at test.com>,black_user3 at test.com
> <mailto:black_user3 at test.com>, black_user4 at test.com
> <mailto:black_user4 at test.com>.

Please post in plain-text only, no HTML.

> #maillog: from webmail, to 1white 1black, both Passed CLEAN
...
> Oct 26 13:42:06 MYHOST sendmail[10382]: p9Q5g69X010382:
> to=black_user1 at MYDOMAIN.com,white_user1 at MYDOMAIN.com,
> ctladdr=mailadmin at MYHOST (510/513), delay=00:00:00, xdelay=00:00:00,
> mailer=relay, pri=60270, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0,
> stat=Sent (Ok: queued as AC2081400AB)


Oops, that's not postfix.  Disable or uninstall sendmail.



  -- Noel Jones