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Addr821 in NotesName class returns empty string if the notes mail address does not contain @Domain at the end of the address. However it does not work if @Domain exists. How can I judge the Mail address if it is a Notes mail or an E-mail address?

2 Answers2

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The purpose of the Addr821 method in the NotesName class is to take any email address that looks like this:

"Richard's Fake Address" <rhs@richardsdomain.com>

And return this:

rhs@richardsdomain.com

It is not designed to distinguish between valid Notes addresses and valid RFC821 addresses. It's technically possible, in fact, for the same string to be both a valid Notes address and a valid RFC821 address.

Richard Schwartz
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  • I tried once (some 20 years back, R3.21 or so) to create a domain called e.g. site.nl, with a dot. In the end, I had to reinstall the whole server using a domain name without the dot. – D.Bugger Aug 23 '19 at 13:09
  • The RFCs actually allow local addresses without an @domain, so technically "richard" can be both a valid Notes address and a valid RFC821 address. An address like that could even be non-local if you set you the search suffix on your resolver to provide the domain, though it probably doesn't get delivered by modern SMTP software with reasonable anti-spam settings. – Richard Schwartz Aug 23 '19 at 13:50
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Have you checked the NotesName.isHierarchical property ? https://www.ibm.com/support/knowledgecenter/en/SSVRGU_9.0.1/basic/H_ISHIERARCHICAL_PROPERTY.html

umeli
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  • Thank for reply. "isHierarchical" is "False indicates that the name is an Internet address or a flat name". In this case, how can distinguish it? I currently just check if there is "." char after "@". If there is the char, it is internet address. I don't think this is good solution but I have no idea. Do you have ant suggestion? –  Aug 22 '19 at 15:06