From: Victor Duchovni (Victor.DuchovniMorganStanley.com)
Date: Wed Apr 26 2006 - 17:18:06 CDT

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On Wed, Apr 26, 2006 at 05:10:41PM -0500, Greg Hackney wrote:

> When these point to MySQL tables whose hosts are unreachable, Postfix
> just hangs
> after the MAIL FROM:
>
> virtual_mailbox_domains

When this uses SQL, the trivial rewrite service (and indirectly the
queue manager) are subject to SQL latency, availability limitations, ...

DO NOT (on critical systems) use SQL or LDAP in this context. Postfix
has no support for an unreliable trivial-rewrite service (it is supposed
to be trivial and correspondingly reliable).

> virtual_mailbox_maps

Does this happen if virtual_mailbox_domains is expicitly set to something
other than $virtual_mailbox_maps? If so provide logs to document this.

> virtual_alias_maps

Does this happen if virtual_alias_domains is expicitly set to something
other than $virtual_alias_maps? If so provide logs to document this.

--
        Viktor.

P.S. Morgan Stanley is looking for a New York City based, Senior Unix
     system/email administrator to architect and sustain the Unix email
     environment. If you are interested, please drop me a note.

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