List of best mirrors for IP address 18.119.139.235, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/raspbian/pool/main/d/dovecot/dovecot-pop3d_2.3.21.1+dfsg1-1+rpi1_armhf.deb