postfix-users October 2010 archive
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postfix-users: problem with postfix and maildrop

problem with postfix and maildrop

From: Christian Pinedo Zamalloa <chr.pinedo_at_nospam>
Date: Sat Oct 16 2010 - 17:37:49 GMT
To: postfix-users <>

Hi all,

Initially i asked in debian-users and I was suggested to ask in this
mailing list, so I explain my problem :D.

I have a problem with postfix and maildrop. I
would swear that all worked fine with Debian Etch and I have the
problem since I upgraded to Debian Lenny. I have installed postfix as
MTA and maildrop as MDA and it's configured as follows:

mailbox_command = /usr/bin/maildrop -d "$USER"

Postfix deliver mail in Maildir format instead of mbox format, and all
the mails are stored in the user's home directory (/home/*/Maildir or

home_mailbox = Maildir/

Well, the problem is that email is delived correctly to normal unix
users but it's queued when the mail is for root user with the
following error:

2C13897470 8210 Fri Oct 15 21:23:52 root@xxxxxx
(temporary failure. Command output: ERR: authdaemon: s_connect()
failed: Permission denied /usr/bin/maildrop: Cannot set my user or
group id.)

I have googled and I don't find anything. I give you more information:

# ls -lhd /root
drwxr-x--- 18 root root 1,0K oct 16 16:38 /root
# ls -lhd /root/Maildir/
drwx------ 6 root root 1,0K oct 15 23:08 /root/Maildir/

At a beginning I though that it could be a problem with filesystem
permissions but the other users (unix users with mail) have similar
permissions and they
receive the mail without problem.

Can you suggest anything? Thanks in advance!

-- Christian Pinedo Zamalloa (zako) PGP keyID: 0x828D0C80 Fingerprint: 7BFF 4105 F46B 7977 BD96 348C 1007 4FF8 828D 0C80