sendmail (version 8.12.8-4) problem

Dear all,

Under redhat 9, I install the sendmail with version 8.12.8-4, It can receive
emails from the users of the same server but cannot receive from those of
other servers. Why? Note that the service have already enabled in both the
ipop and the imap file. Please give us possible suggestion, thank.

Regards,
Simon


.

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