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pp5
2015 Feb 04
3
auth: Warning: DNS lookup took 1.550 s
Hello,
I am running a dovecot and proxy server on two different virtual machines and on the dovecot proxy server I see around 5-6 times per day the following warning:
Feb 03 16:15:12 auth: Warning: proxy(email at domain.com,xxx.xxx.xxx.xxx,<ABC123456789>): DNS lookup for mailboxserver.domain.com took 1.550 s
I do not really understand how from time to time DNS queries are slow, I tried