dovecot - Sep 2010 - execvp /usr/local/libexec/dovecot/dovecot-lda: Permission denied

I'm trying to follow the instructions for configuring Dovecot LMTP with
postfix for virtual domains but whenever mail arrives, in /var/log/maillog,
I see

Sep 23 16:01:20 mybox postfix/pipe[572]: 999C83206C6: to=<
user at mytest.domain.com>, relay=dovecot, delay=0.08,
delays=0.04/0.01/0/0.03,
dsn=4.3.0, status=deferred (temporary failure. Command output: pipe: fatal:
pipe_command: execvp /usr/local/libexec/dovecot/dovecot-lda: Permission
denied )

ls -lh for /usr/local/libexec/dovecot/dovecot-lda
-rwxr-xr-x 1 root staff  62K Sep 20 15:15 dovecot-lda

It will deliver mail when I do the sudo invocation of dovecot-lda, but I
thought LMTP was suppose to be an alternative to that

postfix/main.cf:
virtual_transport = dovecot
virtual_mailbox_domains = mytest.domain.com
dovecot_destination_recipient_limit = 1

/etc/postfix/master.cf:
dovecot   unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail:vmail argv=/usr/local/libexec/dovecot/dovecot-lda -f
${sender} -d ${recipient}

/usr/local/etc/dovecot/conf.d/10-master.conf:
service auth {
  unix_listener auth-userdb {
    mode = 0600
    user = vmail
    #group = vmail
  }
}

service lmtp {
  unix_listener /var/spool/postfix/private/dovecot-lmtp {
   group = postfix
   mode = 0660
   user = postfix
  }

  inet_listener lmtp {
    port = 24
  }

  user = vmail
}

Did I miss something in my config?

On Thu, 2010-09-23 at 13:44 -0400, Edward Carraro wrote:
> I'm trying to follow the instructions for configuring Dovecot LMTP with
> postfix for virtual domains but whenever mail arrives, in /var/log/maillog,
> I see
> postfix/main.cf:
> virtual_transport = dovecot
To use LMTP you need to make Postfix deliver mail via LMTP, not via
dovecot-lda. I think something like:

virtual_transport = lmtp:unix:dovecot-lmtp

(or maybe a full path to dovecot-lmtp)

Thanks everyone!

I changed it to "virtual_transport = lmtp:unix:private/dovecot-lmtp"
in
main.cf and chowned the file "/var/spool/postfix/private/dovecot-lmtp"
to
"postfix:postfix"
it is now delivering email

On Thu, Sep 23, 2010 at 3:03 PM, Thomas Leuxner <tlx at leuxner.net>
wrote:
> Am 23.09.2010 um 20:44 schrieb Edward Carraro:
>
> using "virtual_transport = lmtp:unix:dovecot-lmtp" in main.cf I
get
>
> Sep 23 18:38:25 mybox postfix/lmtp[2175]: 7790032064F: to=<
> user at mytest.domain.com>, relay=none, delay=525, delays=525/0.02/0/0,
> dsn=4.4.1, status=deferred (connect to mybox.domain.com[dovecot-lmtp]: No
> such file or directory)
>
> i did a search for dovecot-lmtp but Debian is unable to find it.
>
>
> Per default Debian uses a chrooted Postfix configuration. Therefore the
> socket needs to be located inside the chroot e.g:
>
> service lmtp {
>  unix_listener /var/spool/postfix/private/dovecot-lmtp {
>    group = postfix
>    mode = 0660
>    user = postfix
>   }
> }
>
> These should give an idea on how it plays together:
>
> http://wiki2.dovecot.org/HowTo/VirtualUserFlatFilesPostfix
> http://wiki2.dovecot.org/HowTo/PostfixDovecotLMTP
>
>

Timo, can be expected to correct the wiki

--
"be invented in a clumsy and happiness" author unknow


On Thu, 23 Sep 2010 15:13:01 -0400, Edward Carraro <ednitido at gmail.com>
wrote:
> Thanks everyone!
> 
> I changed it to "virtual_transport =
lmtp:unix:private/dovecot-lmtp" in
> main.cf and chowned the file
"/var/spool/postfix/private/dovecot-lmtp" to
> "postfix:postfix"
> it is now delivering email
> 
> On Thu, Sep 23, 2010 at 3:03 PM, Thomas Leuxner <tlx at leuxner.net>
wrote:
> 
>> Am 23.09.2010 um 20:44 schrieb Edward Carraro:
>>
>> using "virtual_transport = lmtp:unix:dovecot-lmtp" in main.cf
I get
>>
>> Sep 23 18:38:25 mybox postfix/lmtp[2175]: 7790032064F: to=<
>> user at mytest.domain.com>, relay=none, delay=525,
delays=525/0.02/0/0,
>> dsn=4.4.1, status=deferred (connect to mybox.domain.com[dovecot-lmtp]:
No
>> such file or directory)
>>
>> i did a search for dovecot-lmtp but Debian is unable to find it.
>>
>>
>> Per default Debian uses a chrooted Postfix configuration. Therefore the
>> socket needs to be located inside the chroot e.g:
>>
>> service lmtp {
>>  unix_listener /var/spool/postfix/private/dovecot-lmtp {
>>    group = postfix
>>    mode = 0660
>>    user = postfix
>>   }
>> }
>>
>> These should give an idea on how it plays together:
>>
>> http://wiki2.dovecot.org/HowTo/VirtualUserFlatFilesPostfix
>> http://wiki2.dovecot.org/HowTo/PostfixDovecotLMTP
>>
>>