Emails taking a long time to send from DirectAdmin server Print

If you notice that outbound emails from your server are taking hours to send, it may be caused by the blockcracking configuration. This is a very easy fix.

Step 1: Open /etc/exim.blockcracking/variables.conf.custom

Step 2: Add this to the file:

BC_VERIFY_CALLOUT ==callout=10s,maxwait=40s,connect=5s,defer_ok,use_sender

Step 3: Restart exim with:

systemctl restart exim