email 1 distribution list works, email 2 distribution list doesn't

[The Evaluator]

email 1 distribution list works, email 2 distribution list doesn't???

So what could be conflicting? When I email these distribution list
serparately it works fine. But when I email multiple distribution lists it
doesn't work.

Please let me know if there is a setting I am missing. Thanks

 

[F.H. Muffman]

email 1 distribution list works, email 2 distribution list doesn't???

So what could be conflicting? When I email these distribution list
serparately it works fine. But when I email multiple distribution
lists it doesn't work.

Could you clarify what 'doesn't work' means?

Does it cause your computer to catch fire?
Does it not go into the To field?
Do you get an error in a popup message box?
Do you get a failed delivery status notification returned to you?

 

[The Evaluator]

Hi,

There is an error message “an unknown error occurred.â€

This error message doesn't help much.

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[F.H. Muffman]

email 1 distribution list works, email 2 distribution list

There is an error message "an unknown error occurred."

This error message doesn't help much.

Helps people who are trying to help you.

I'm guessing you get that when you hit the Send button? Does Outlook crash,
does the new message window disappear?

If you create two new DLs, only with a couple addresses that you can test
with on each, does it work?

How many people are on each DL? These are, I'm assuming, personal DLs?