Hello,
2026-05-24T00:51:43.849893-07:00 B914839 postfix/virtual[42763]: fatal:
bad string length 0 < 1: virtual_mailbox_base =
2026-05-24T00:51:44.850538-07:00 B914839 postfix/master[1714]: warning:
process /usr/lib/postfix/sbin/virtual pid 42763 exit status 1
2026-05-24T00:51:44.850691-07:00 B914839 postfix/master[1714]: warning:
/usr/lib/postfix/sbin/virtual: bad command startup -- throttling
Note that I have since then added to main.cf:
virtual_mailbox_base = /var/lib/vmail
But I'm not sure why it is needed if it has no impact on mail delivery
but the error has gone away.
Viktor Dukhovni: The error is gone by adding the above configuration.
Viktor Dukhovni: The virtual process appears to be failing but
everything is virtual, not local. I am using LMTP if that makes a
difference.
postconf reveals:
local_transport = local:$myhostname
relay_transport = relay
Regards,
David Koski
[email protected]
On 5/15/26 5:06 PM, Wietse Venema via Postfix-users wrote:
Wietse Venema via Postfix-users:
David Koski via Postfix-users:
Hello,
I'm using Dovecot LMTP (dovecot-mysql) for local delivery for Postfix
(postfix-mysql) so the local delivery destination is stored in the MySQL
database.? Now I'm getting an error:
warning: /usr/lib/postfix/sbin/virtual: bad command startup -- throttling
Please show the complete logfile record.
And the logging from the "virtual" process immediately before this.
Wietse
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