Recipient Delimiter forcing RelayedOpenRelay Flag

[Michael Telatynski]

```
Apr  4 18:44:16 phoenix postfix/smtpd[28347]: connect from 
mail-wi0-f170.google.com[209.85.212.170]
Apr  4 18:44:16 phoenix postfix/smtpd[28347]: 22A5E61A2282: 
client=mail-wi0-f170.google.com[209.85.212.170]
Apr  4 18:44:17 phoenix postfix/cleanup[28355]: 22A5E61A2282: 
message-id=<CADSzNCbvkNUAOnpNis_iife_u5Cno9Jo-SrLQyStwhOgR0sXAg at mail.sender.com>
Apr  4 18:44:17 phoenix postfix/qmgr[12878]: 22A5E61A2282: 
from=<7t3chguy at sender.com>, size=1735, nrcpt=1 (queue active)
Apr  4 18:44:17 phoenix postfix/smtpd[28347]: disconnect from 
mail-wi0-f170.google.com[209.85.212.170]
Apr  4 18:44:17 phoenix postfix/smtpd[28377]: connect from 
phoenix.recipient.com[127.0.0.1]
Apr  4 18:44:17 phoenix postfix/smtpd[28377]: 9B57061A2283: 
client=phoenix.recipient.com[127.0.0.1]
Apr  4 18:44:17 phoenix postfix/cleanup[28355]: 9B57061A2283: 
message-id=<CADSzNCbvkNUAOnpNis_iife_u5Cno9Jo-SrLQyStwhOgR0sXAg at mail.sender.com>
Apr  4 18:44:17 phoenix postfix/smtpd[28377]: disconnect from 
phoenix.recipient.com[127.0.0.1]
Apr  4 18:44:17 phoenix postfix/qmgr[12878]: 9B57061A2283: 
from=<7t3chguy at sender.com>, size=2380, nrcpt=1 (queue active)
Apr  4 18:44:17 phoenix amavis[28182]: (28182-01) Passed CLEAN 
{RelayedInbound}, [209.85.212.170]:33395 [209.85.212.170] 
<7t3chguy at sender.com> -> <postmaster at recipient.com>, Queue-ID: 
22A5E61A2282, Message-ID: 
<CADSzNCbvkNUAOnpNis_iife_u5Cno9Jo-SrLQyStwhOgR0sXAg at mail.sender.com>, 
mail_id: xpw7D_fd1b3E, Hits: -0.119, size: 1735, queued_as: 
9B57061A2283, dkim_sd=20120113:sender.com, 468 ms
Apr  4 18:44:17 phoenix postfix/lmtp[28369]: 22A5E61A2282: 
to=<postmaster at recipient.com>, relay=127.0.0.1[127.0.0.1]:10024, 
delay=1.5, delays=1.1/0/0.01/0.47, dsn=2.0.0, status=sent (250 2.0.0 
from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 9B57061A2283)
Apr  4 18:44:17 phoenix postfix/qmgr[12878]: 22A5E61A2282: removed
Apr  4 18:44:17 phoenix postfix/pipe[28378]: 9B57061A2283: 
to=<postmaster at recipient.com>, relay=dovecot, delay=0.05, 
delays=0/0.01/0/0.03, dsn=2.0.0, status=sent (delivered via dovecot 
service)
Apr  4 18:44:17 phoenix postfix/qmgr[12878]: 9B57061A2283: removed
Apr  4 18:44:35 phoenix postfix/smtpd[28347]: connect from 
mail-wg0-f54.google.com[74.125.82.54]
Apr  4 18:44:36 phoenix postfix/smtpd[28347]: 0C4AC61A2283: 
client=mail-wg0-f54.google.com[74.125.82.54]
Apr  4 18:44:37 phoenix postfix/cleanup[28355]: 0C4AC61A2283: 
message-id=<CADSzNCYf9PS8r4B2R6=O68Qamx3-jNaJMbO7pK1BxuvkRYfSRg at mail.sender.com>
Apr  4 18:44:37 phoenix postfix/qmgr[12878]: 0C4AC61A2283: 
from=<7t3chguy at sender.com>, size=1721, nrcpt=1 (queue active)
Apr  4 18:44:37 phoenix postfix/smtpd[28347]: disconnect from 
mail-wg0-f54.google.com[74.125.82.54]
Apr  4 18:44:37 phoenix postfix/smtpd[28377]: connect from 
phoenix.recipient.com[127.0.0.1]
Apr  4 18:44:37 phoenix postfix/smtpd[28377]: 67E4361A2284: 
client=phoenix.recipient.com[127.0.0.1]
Apr  4 18:44:37 phoenix postfix/cleanup[28355]: 67E4361A2284: 
message-id=<CADSzNCYf9PS8r4B2R6=O68Qamx3-jNaJMbO7pK1BxuvkRYfSRg at mail.sender.com>
Apr  4 18:44:37 phoenix postfix/smtpd[28377]: disconnect from 
phoenix.recipient.com[127.0.0.1]
Apr  4 18:44:37 phoenix postfix/qmgr[12878]: 67E4361A2284: 
from=<7t3chguy at sender.com>, size=2265, nrcpt=1 (queue active)
Apr  4 18:44:37 phoenix amavis[28183]: (28183-01) Passed CLEAN 
{RelayedOpenRelay}, [74.125.82.54]:33680 [74.125.82.54] 
<7t3chguy at sender.com> -> <matt.ingram+foo at recipient.com>, Queue-ID: 
0C4AC61A2283, Message-ID: 
<CADSzNCYf9PS8r4B2R6=O68Qamx3-jNaJMbO7pK1BxuvkRYfSRg at mail.sender.com>, 
mail_id: Kt_424NwocIP, Hits: -0.118, size: 1721, queued_as: 
67E4361A2284, dkim_sd=20120113:sender.com, 367 ms
Apr  4 18:44:37 phoenix postfix/lmtp[28369]: 0C4AC61A2283: 
to=<matt.ingram+foo at recipient.com>, relay=127.0.0.1[127.0.0.1]:10024, 
delay=1.4, delays=1.1/0/0.01/0.37, dsn=2.0.0, status=sent (250 2.0.0 
from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 67E4361A2284)
Apr  4 18:44:37 phoenix postfix/qmgr[12878]: 0C4AC61A2283: removed
Apr  4 18:44:37 phoenix postfix/pipe[28378]: 67E4361A2284: 
to=<matt.ingram+foo at recipient.com>, relay=dovecot, delay=0.04, 
delays=0.01/0/0/0.03, dsn=2.0.0, status=sent (delivered via dovecot 
service)
Apr  4 18:44:37 phoenix postfix/qmgr[12878]: 67E4361A2284: removed
```

As can be seen above, To: matt.ingram+foo is getting marked as 
RelayedOpenRelay, even though the one above, correctly gets marked as 
RelayedInbound, there should be no difference between them and the only 
difference is the +plus addressing
Any ideas on this?