[exim] no IP address found for host

I keep getting these errors/warnings: "no IP address found for host relay_from_hosts" in the logs like this... 2021-02-09 11:46:45 SMTP connection from [10.100.7.3]:46172 I=[10.100.1.3]:25 (TCP/IP connection count = 3) 2021-02-09 11:46:45 no IP address found for host relay_from_hosts (during

[exim] tainted string in 4.93

After an upgrade to 4.93 from 4.92 (FreeBSD ports), I am getting 2020-02-24 18:13:08 1j67LU-0005vG-1C == a...@ish.com.au R=localuser T=local_delivery defer (0): Expansion of "${local_part}${local_part_suffix}@$domain" from command "/usr/local/libexec/dovecot/dovecot-lda -a