Re: [courier-users] authentication error: Input/output error

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Dino Ciuffetti writes:

>
>> With debug enabled I got this one:
>>
>> authdaemond: ldap_search_st() failed
>> authdaemond: authldap: TEMPFAIL - no more modules will be tried
>> ...
>> courieresmtpd: error,relay=x.x.x.x,from=<x@x.x>,to=<x@x.x>: 400 Service
> temporarily unavailable.
>
>> Why does ldap_search_st() fail randomly? What's its return code?
>>
>
> Hi, it seems I solved the problem rising the LDAP timeout
> setting the parameter "LDAP_TIMEOUT 60" in ldapaliasrc and authldaprc files.
>
> Is it correct?

Well, it doesn't fix your problem, just masks it. For some reason your LDAP
server is taking extraordinarily long time to respond. You need to take a
very close look at your LDAP server, and fix whatever's broken.



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