Are you sure MySQL is reachable from the second server?
Did you check if MySQL accounts work from the secondary server? MySQL has
a particular way to handle users, check it.

If problem persist, disable chkuser on secondary server and test if
problem still exists.

Tonino

> Adam Woodbeck wrote:
>
>> I'm experiencing the weirdest problem with a second mail server I just
>>  set up.  I've set up several toasters following Bill's instructions
>> and many FreeBSD toasters following Matt Simerson's instructions all
>> without any trouble.  But the toaster I set up today is driving me
>> nuts.
>>
>> I'm setting up a second mail server that will share load with our
>> current mail server.  They both connect to the same MySQL database for
>>  vpopmail authentication and spamassassin settings.  Over NFS, both
>> servers are sharing the same ~vpopmail/domains directory,
>> /var/qmail/control directory, and /var/qmail/users directory. The
>> primary mail server has no problems at all sending and receiving
>> email.  The second mail server will not accept any email for any local
>>  email accounts because chkuser reports "not existing recipient."
>> I've  verified that vpopmail recognizes the email accounts I'm trying
>> to  send to (~vpopmail/bin/vuserinfo <email_address> returns the
>> expected  output with no errors).  I've checked the ownership and
>> permissions of  every directory involved (especially the
>> ~vpopmail/domains/ directory)  and everything looks good (the primary
>> mail server is successfully  using these shared directories over NFS
>> right now so permissions  should be good).  I've made sure that the
>> UIDs and GIDs of all qmail  users and the vpopmail user match on both
>> servers.  The only
>> difference in the two servers is that the server I'm having trouble
>> with is a 64-bit system (running SLES 9).
>>
>> I'm at my whit's end.  Would anyone please suggest what I should try
>> next to figure out why chkuser denies delivery attempt with the
>> message "511 sorry, no mailbox here by that name (#5.1.1 - chkuser)."
>>  I greatly appreciate the help.
>>
>> Sincerely,
>> Adam Woodbeck
>
> I should mention that I did not change any chkuser settings before
> building and installing the toaster.
>
> Adam



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