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IMCEAMAILTO in Outlook 2010

Hi All,

I've been passed a ticket for further investigation, and I can't get my head around it.

Outlook 2010 (on Windows 7) - Exchange 2010
- User receives an email from an external company
- In the CC field are 3 people
- User hits reply-all and sends message
- Bounce (NDR) received for one of the CC'd users

I have read around; but can find no difinate answer / fix. Aparently it only happens to this user for the 1 sender.
It's been mentioned to remove an update (update is 6 months old now); or un-check "Autoformat:Internet and Network Paths with Hyperlinks"

I can't find a way to fix it or let alone explain it to the user.

Need some help here!

Error:
Delivery has failed to these recipients or groups:

'firstname.lastname@domain.com' (MAILTO:firstname.lastname@domain.com) <mailto:IMCEAMAILTO-firstname%2B2Elastname%2B40domain%2B2Ecom@userdomain.local>
A problem occurred and this message couldn't be delivered. Check to be sure the e-mail address is correct. If the problem continues, please contact your helpdesk.
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powellt77
Asked:
powellt77
1 Solution
 
Alan HardistyCommented:
Sending an email to a mailto: address will ALWAYS fail.  If they remove the Mailto: part - then send the message, it will be happily delivered.
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powellt77Author Commented:
Thanks for your reply alanhardisty.

Is there a reason why it happens? Of course, I can get the user to change it to SMTP, but why should they have to? (I only ask because they'll be asking me!)
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Alan HardistyCommented:
It sounds like the person sending the original message is clicking on the wrong items, or has remembered email addresses that include the mailto: and they shouldn't (they need to be deleted if they are cached).

All that your user is doing is Reply All, which is fine, if the originating sender got it right in the first place!

Not your fault / your users fault - but at least you can go back to the person sending the messages and let them know.  They will probably be wondering why the messages are not going to those people too!
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powellt77Author Commented:
Thank You - So basically, the message in question (and from what I can see is only 1), was doomed from the start. At some point the address has become malformed and remembered in the 'Suggested Contacts'.

Providing the address is removed, any further emails will be fine - just not on this one doing 'the rounds'.
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Alan HardistyCommented:
Yes - the original sender should have had a similar failed message too.

It may be a suggested address - in which case either remove it or modify it, but keeping something with mailto:email@domain.com is not going to work!

If the address is corrected (by all parties), the problem should go away.
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itsecalertCommented:
We have a similar issue with a few accounts, but it also happens on the users Blackberry smartphones, which are not running Outlook 2010.

I looked at this message and thought we had the answer. Checked the suggested contacts and these addresses are not there. Any other ideas as to why it would also happen on a mobile device? This should be on Exchange, not in Outlook.

Regards,
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Jackie ManCommented:
@ itsecalert

Have you checked the contacts in Outlook 2010?
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