[This message is being sent to the following PCC discussion lists: PCCLIST, BIBCO, CONSRLST, and SACOLIST]


On Monday, April 23, the Library of Congress will be making some server changes that will affect all Library-hosted discussion lists. After the changes, it will no possible be possible to send list messages using the address “<listname>@LOC.GOV”. Instead, all list messages will be required to use the host suffix “@LISTSERV.LOC.GOV”.


If you are not already doing so, please be sure to use the address “<listname>@LISTSERV.LOC.GOV” when posting to the PCC discussion lists. Any list messages sent with the host suffix “@LOC.GOV” will not be delivered and will bounce to the originator with an “invalid user” error.


Let me know if you have any questions. I suspect everyone is already using the fuller address, but we have been asked to inform you of this change in case some might be using the shorter form.


Information about the four PCC discussion lists can be found on this page:



Thank you!





Manon Théroux

Cooperative Cataloging Program Specialist

Library of Congress

Washington, DC  20540-4230

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