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550 5.1.1 RESOLVER.ADR.ExRecipNotFound

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550 5.1.1 RESOLVER.ADR.ExRecipNotFound - 5.May2009 10:09:59 AM

t.lee

Posts: 5
Joined: 30.Jan.2009
Status: offline

Hi everyone,

Sometimes when internal mail is sent to this user the sender receives an NDR with the following information.

Diagnostic information for administrators:

Generating server: caht1.domain.domain.org

IMCEAEX-_O=name+20name_OU=name_CN=RECIPIENTS_CN=TStevens04676063@domainname.org
#550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found ##

the actual address is tlstevens and without the additional numeric characters. I have not been able to find the answer to this, this porblem seems to come and go with no real pattern as to whom this happens to. The address in the GAL and OAB is correct.

Can anyone please shine some light on this?

Post #: 1

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RE: 550 5.1.1 RESOLVER.ADR.ExRecipNotFound - 11.May2009 5:05:28 AM

ravisha_22

Posts: 445
Joined: 16.Sep.2008
Status: offline

Is the sender resolving the name using outlook cache?

_____________________________

Ravishankar

(in reply to t.lee)

Post #: 2

RE: 550 5.1.1 RESOLVER.ADR.ExRecipNotFound - 23.Jun.2009 6:51:23 AM

chchan74

Posts: 4
Joined: 25.Sep.2008
Status: offline

hi,

i've the same issue. user is using online mode.

in my case, the recipient was created as a mail contact, but we deleted and change it to a mail-enabled object recently (using Quest Collaboration Services). what do i need to check for this? thanks

(in reply to ravisha_22)

Post #: 3

RE: 550 5.1.1 RESOLVER.ADR.ExRecipNotFound - 23.Jun.2009 3:28:45 PM

jveldh

Posts: 2335
Joined: 12.Apr.2008
From: The Netherlands
Status: offline

Hi,

Also had this issue, here is the solution:

- open adsiedit
- get the properties of the user
- check the LegacyExchange value this can be the value with the
number, if so then copy it and correct the value listed here
- close adsiedit
- open aduc
- get the properties of the user
- add an extra e-mail address of the type X500 and paste the value
just copied

Doing this will ensure that old mail which is send to the incorrect alias will still arrive.

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Best regards,

Johan Veldhuis

Visit my Exchange blog

(in reply to chchan74)

Post #: 4

RE: 550 5.1.1 RESOLVER.ADR.ExRecipNotFound - 12.Apr.2012 2:37:41 PM

CNBarnes

Posts: 5
Joined: 25.Oct.2011
Status: offline

quote:

ORIGINAL: jveldh

Hi,

Also had this issue, here is the solution:

- open adsiedit
- get the properties of the user
- check the LegacyExchange value this can be the value with the
number, if so then copy it and correct the value listed here
- close adsiedit
- open aduc
- get the properties of the user
- add an extra e-mail address of the type X500 and paste the value
just copied

Doing this will ensure that old mail which is send to the incorrect alias will still arrive.