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#142: How can I read a sender address for MailItem (MS Outlook)?

Sometime ago I posted a few tips for MS Outlook automation. I want to continue this serie.

If you tried to work with messages from Delphi, you know that received message have the SenderName property (name of sender) but doesn't allow to read the real address of sender. Something like SenderAddress is not available.

Exists a few methods to retrieve this information:

1. help file says that sender is in Recipients collection with Type property - 0 (olOriginator).
But this way is not work for any version of MS Outlook. So just iterate thru collection of Recipients and find an item with Type=0 couldn't return required value

2. as alternative you can read a ReplyTo property - there you'll receive an address (but generally ReplyTo and Sender could be different).
For example, in messages which I send from own mail account these values are different.

3. to create a new MailItem (just will be destroyed without saving in end of work), define a Recipient as value which you received from SenderName of your original message and call a Resolve method - after that you'll recieve a correct email address of this sender.

4. more correct and fast solution is the next:

  objCDO := CreateOLEObject('MAPI.Session');
  objCDO.Logon('', '', False, False);
  objMsg := objCDO.GetMessage(itemOL.EntryID, itemOL.Parent.StoreID);

   s := objMsg.Sender.Address;
   objMsg := UnAssigned;
   objCDO := UnAssigned;

where itemOL is a MailItem which contain a SenderName but doesn't contain a SenderAddress:-)

Published: July 29, 2002

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