[NTLK] Weird problem with my own postings to this list

I encountered a strange problem with the emails from this list: While
I receive all postings to this list (including the answers to my own
postings), I never receive my own messages, so they're sorely missing
in thread view in my email program.

Background information: I set up a Gmail account especially for this
list. All NTLK emails are forwarded (redirected) to my real email
account. This works well, except for my own messages.

Is the list set to not send your own postings to yourself? That's the
only reason I can possibly come up with ATM. However, there might be a
Gmail-specific reason, that I can't figure out.

Any hints?

-- 
Please do not reply directly to my messages sent to the list. Messages
to this address will not be read.
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