dovecot - Apr 2016 - Plus addressing on Sentora using Postfix

I am running Ubuntu 14.04.4 LTS ?Trusty? and "postconf -d | grep
mail_version? gives me ?mail_version = 2.11.0?, with Dovecot 2.2.9

I have installed Sentora (http://sentora.org) which sets most of the
configuration up for Postfix up, I have made some changes to allow me to use
certificates for IMAP and SMTP SSL
(https://skippy.org.uk/lets-encrypt-postfix-and-dovecot/),

My Postfix main config file is http://pastebin.com/hdxdNK4d
My Postfix master process configuration file is http://pastebin.com/YuCTq0JQ
Dovecot -n gives me the following http://pastebin.com/05xixDtD

I am trying to send an email to site at skippy.org.uk and site+test at
skippy.org.uk (sending from an iCloud account), it works to site at
skippy.org.uk (site at skippy.org.uk is a real email address), the lines from
mail.log are as follows:
> Mar 11 17:48:07 njoror postfix/smtpd[32706]: connect from
mr11p26im-asmtp004.me.com[17.110.86.109]
> Mar 11 17:48:07 njoror postfix/smtpd[32706]: Anonymous TLS connection
established from mr11p26im-asmtp004.me.com[17.110.86.109]: TLSv1.2 with cipher
DHE-RSA-AES128-GCM-SHA256 (128/128 bits)
> Mar 11 17:48:08 njoror postfix/smtpd[32706]: 1BAF055AB6:
client=mr11p26im-asmtp004.me.com[17.110.86.109]
> Mar 11 17:48:08 njoror postfix/cleanup[32710]: 1BAF055AB6:
message-id=<90594925-C294-4A38-8275-C23DA55A9308 at icloud.com>
> Mar 11 17:48:08 njoror postfix/qmgr[32599]: 1BAF055AB6:
from=<philipmcgaw at icloud.com>, size=1513, nrcpt=1 (queue active)
> Mar 11 17:48:08 njoror postfix/pipe[32605]: 1BAF055AB6: to=<site+test at
skippy.org.uk>, relay=dovecot, delay=0.43, delays=0.34/0.01/0/0.09,
dsn=4.1.1, status=SOFTBOUNCE (user unknown)
> Mar 11 17:48:08 njoror postfix/smtpd[32706]: disconnect from
mr11p26im-asmtp004.me.com[17.110.86.109]
vs
> Mar 11 17:49:23 njoror postfix/smtpd[32706]: connect from
mr11p26im-asmtp004.me.com[17.110.86.109]
> Mar 11 17:49:23 njoror postfix/smtpd[32706]: Anonymous TLS connection
established from mr11p26im-asmtp004.me.com[17.110.86.109]: TLSv1.2 with cipher
DHE-RSA-AES128-GCM-SHA256 (128/128 bits)
> Mar 11 17:49:24 njoror postfix/smtpd[32706]: 33D2355AB9:
client=mr11p26im-asmtp004.me.com[17.110.86.109]
> Mar 11 17:49:24 njoror postfix/cleanup[32710]: 33D2355AB9:
message-id=<2456DC97-4E3A-4A91-B3A0-CAFE056F116F at icloud.com>
> Mar 11 17:49:24 njoror postfix/qmgr[32599]: 33D2355AB9:
from=<philipmcgaw at icloud.com>, size=1249, nrcpt=1 (queue active)
> Mar 11 17:49:25 njoror postfix/smtpd[32706]: disconnect from
mr11p26im-asmtp004.me.com[17.110.86.109]
> Mar 11 17:49:26 njoror postfix/pipe[32605]: 33D2355AB9: to=<site at
skippy.org.uk>, relay=dovecot, delay=1.8, delays=0.63/0/0/1.2, dsn=2.0.0,
status=sent (delivered via dovecot service)
> Mar 11 17:49:26 njoror postfix/qmgr[32599]: 33D2355AB9: removed

Looking at the lines from mail.log it looks like it thinks there should be a
user called site+test at skippy.org.uk, this has been puzzling me for a while, I
was wondering if any one on here could see what was wrong, and what I needed to
change, Looking at a few examples and online guides I thought I had covered all
the bases.

Looking at the log it looks like the message is either succeeding, or failing
via Dovecot
> Mar 11 17:48:08 njoror postfix/pipe[32605]: 1BAF055AB6: to=<site+test at
skippy.org.uk>, relay=dovecot, delay=0.43, delays=0.34/0.01/0/0.09,
dsn=4.1.1, status=SOFTBOUNCE (user unknown)
Does any one have any ideas?
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Am 9. April 2016 01:25:51 MESZ, schrieb Philip McGaw <philip at
mcgaw.eu>:
>I am running Ubuntu 14.04.4 LTS ?Trusty? and "postconf -d | grep
>mail_version? gives me ?mail_version = 2.11.0?, with Dovecot 2.2.9
>
>I have installed Sentora (http://sentora.org) which sets most of the
>configuration up for Postfix up, I have made some changes to allow me
>to use certificates for IMAP and SMTP SSL
>(https://skippy.org.uk/lets-encrypt-postfix-and-dovecot/),
>
>My Postfix main config file is http://pastebin.com/hdxdNK4d
>My Postfix master process configuration file is
>http://pastebin.com/YuCTq0JQ
>Dovecot -n gives me the following http://pastebin.com/05xixDtD
>
>I am trying to send an email to site at skippy.org.uk and
>site+test at skippy.org.uk (sending from an iCloud account), it works to
>site at skippy.org.uk (site at skippy.org.uk is a real email address), the
>lines from mail.log are as follows:
>
>> Mar 11 17:48:07 njoror postfix/smtpd[32706]: connect from
>mr11p26im-asmtp004.me.com[17.110.86.109]
>> Mar 11 17:48:07 njoror postfix/smtpd[32706]: Anonymous TLS connection
>established from mr11p26im-asmtp004.me.com[17.110.86.109]: TLSv1.2 with
>cipher DHE-RSA-AES128-GCM-SHA256 (128/128 bits)
>> Mar 11 17:48:08 njoror postfix/smtpd[32706]: 1BAF055AB6:
>client=mr11p26im-asmtp004.me.com[17.110.86.109]
>> Mar 11 17:48:08 njoror postfix/cleanup[32710]: 1BAF055AB6:
>message-id=<90594925-C294-4A38-8275-C23DA55A9308 at icloud.com>
>> Mar 11 17:48:08 njoror postfix/qmgr[32599]: 1BAF055AB6:
>from=<philipmcgaw at icloud.com>, size=1513, nrcpt=1 (queue active)
>> Mar 11 17:48:08 njoror postfix/pipe[32605]: 1BAF055AB6:
>to=<site+test at skippy.org.uk>, relay=dovecot, delay=0.43,
>delays=0.34/0.01/0/0.09, dsn=4.1.1, status=SOFTBOUNCE (user unknown)
>> Mar 11 17:48:08 njoror postfix/smtpd[32706]: disconnect from
>mr11p26im-asmtp004.me.com[17.110.86.109]
>
>vs
>
>> Mar 11 17:49:23 njoror postfix/smtpd[32706]: connect from
>mr11p26im-asmtp004.me.com[17.110.86.109]
>> Mar 11 17:49:23 njoror postfix/smtpd[32706]: Anonymous TLS connection
>established from mr11p26im-asmtp004.me.com[17.110.86.109]: TLSv1.2 with
>cipher DHE-RSA-AES128-GCM-SHA256 (128/128 bits)
>> Mar 11 17:49:24 njoror postfix/smtpd[32706]: 33D2355AB9:
>client=mr11p26im-asmtp004.me.com[17.110.86.109]
>> Mar 11 17:49:24 njoror postfix/cleanup[32710]: 33D2355AB9:
>message-id=<2456DC97-4E3A-4A91-B3A0-CAFE056F116F at icloud.com>
>> Mar 11 17:49:24 njoror postfix/qmgr[32599]: 33D2355AB9:
>from=<philipmcgaw at icloud.com>, size=1249, nrcpt=1 (queue active)
>> Mar 11 17:49:25 njoror postfix/smtpd[32706]: disconnect from
>mr11p26im-asmtp004.me.com[17.110.86.109]
>> Mar 11 17:49:26 njoror postfix/pipe[32605]: 33D2355AB9:
>to=<site at skippy.org.uk>, relay=dovecot, delay=1.8,
delays=0.63/0/0/1.2,
>dsn=2.0.0, status=sent (delivered via dovecot service)
>> Mar 11 17:49:26 njoror postfix/qmgr[32599]: 33D2355AB9: removed
>
>
>Looking at the lines from mail.log it looks like it thinks there should
>be a user called site+test at skippy.org.uk, this has been puzzling me for
>a while, I was wondering if any one on here could see what was wrong,
>and what I needed to change, Looking at a few examples and online
>guides I thought I had covered all the bases.
>
>Looking at the log it looks like the message is either succeeding, or
>failing via Dovecot
>> Mar 11 17:48:08 njoror postfix/pipe[32605]: 1BAF055AB6:
>to=<site+test at skippy.org.uk>, relay=dovecot, delay=0.43,
>delays=0.34/0.01/0/0.09, dsn=4.1.1, status=SOFTBOUNCE (user unknown)
>
>Does any one have any ideas?
In dovecots 15-lda.conf uncomment the "recipient_delimiter = +"
setting. The delimiter is configured in postfix but apparently not in your
dovecot lda config

-- 
 Christian

> In dovecots 15-lda.conf uncomment the "recipient_delimiter = +"
setting. The delimiter is configured in postfix but apparently not in your
dovecot lda config
I am not sure of the location of 15-lda.conf, however in my main dovecot.conf
file I added "recipient_delimiter = +"

The output of the lad part of "dovecot -n" is now
> protocol lda {
>   mail_plugins = quota sieve
>   postmaster_address = postmaster at njoror.squashedfly.eu
>   recipient_delimiter = +
> }
However my mail.log file still shows every message is bounced with the following
> Apr 10 23:53:23 njoror postfix/smtpd[23320]: connect from
mr11p26im-asmtp004.me.com[17.110.86.109]
> Apr 10 23:53:24 njoror postfix/smtpd[23320]: Anonymous TLS connection
established from mr11p26im-asmtp004.me.com[17.110.86.109]: TLSv1.2 with cipher
DHE-RSA-AES128-GCM-SHA256 (128/128 bits)
> Apr 10 23:53:24 njoror postfix/smtpd[23320]: 6D44955ADC:
client=mr11p26im-asmtp004.me.com[17.110.86.109]
> Apr 10 23:53:24 njoror postfix/cleanup[23435]: 6D44955ADC:
message-id=<1D905D9B-99E0-4156-A652-51D1A9BD96D0 at icloud.com>
> Apr 10 23:53:24 njoror postfix/qmgr[13937]: 6D44955ADC:
from=<philipmcgaw at icloud.com>, size=2021, nrcpt=1 (queue active)
> Apr 10 23:53:24 njoror postfix/pipe[23436]: 6D44955ADC: to=<site+gah at
skippy.org.uk>, relay=dovecot, delay=0.43, delays=0.34/0.01/0/0.08,
dsn=4.1.1, status=SOFTBOUNCE (user unknown)
> Apr 10 23:53:25 njoror postfix/smtpd[23320]: disconnect from
mr11p26im-asmtp004.me.com[17.110.86.109]
Any ideas on why this is still not working for me, as its now driving me right
up the wall :(
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