====== Solusi all hosts for 'domain.com' have been failing for a long time (and retry time not reached) ======
Jika anda menemukan error ini "all hosts for 'domain.com' have been failing" pada exim solusinya adalah sebagai berikut
<code>
cd /var/spool/exim/db
rm wait-dkim_remote_smtp* retry* wait-remote_smtp*
service exim restart
</code>

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