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I was unable to deliver your message to the following addresses:
Reason: 550 5.7.1 : Recipient address rejected: Please see http://www.openspf.net/Why?s=mfrom;id=apis%40lists.mozilla.org;ip=184.108.40.206;r=mailman2.mail.mdc2.mozilla.com
The message subject was: Directorio Empresarial Mexicano 2018
The message date was: Tue, 2 Oct 2018 18:56:39 -0500
The message identifier was: 1B/AF-26602-2C504BB5
The message reference was: server-24.tower-364.messagelabs.com!1538524604!606855!9
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