[Smec2019] Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the Postfix program at host gatekeeper3.bgu.ac.il.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

			The Postfix program

<aviva at bgu.ac.il>: host dispatch1.bgu.ac.il[132.72.137.117] said: 550 5.1.1
    <aviva at bgu.ac.il>: Recipient address rejected: mail not deliverable (in
    reply to RCPT TO command)
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From: smec2019 <smec2019 at roma1.infn.it>
Subject: SMEC2019 Miami - online registration
Date: Wed, 02 Jan 2019 09:47:47 +0100
Size: 4774
Url: http://lists2.roma1.infn.it/pipermail/smec2019/attachments/20190102/bec01a99/attachment-0001.mht