server rejecting emails after being onlind over a day

[vttech]

people getting this error after a day

(reason: 550 5.1.1 cfrancis@cafsvt.com>: Recipient address rejected:
> User unknown in virtual mailbox table)
>
> ----- Transcript of
> session follows -----
> ... while talking to
> mail.cafsvt.com.:
> >>> DATA
> cfrancis@cafsvt.com>: Recipient address rejected: User unknown in
> virtual mailbox table
> 550 5.1.1 cfrancis@cafsvt.com>... User
> unknown

After i rebboot the server it receives email with no errors. it is a static ip.


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[ehcpdeveloper]

it seems that, your mysql goes down after one day,
try to find out why mysql goes away..
there may be many reasons..

look at system and mysql logs
(/var/log/syslog, /var/log/mysql.log, /var/log/mysql.err)

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