My /var/log/messages is being piled up with messages like
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Sep 25 13:49:20 RPi1B2 exim[17968]: 2019-09-25 19:19:20 1iAKfN-0005uK-Ol Berkeley DB error: BDB0058 page 36968: illegal page type or format
Sep 25 13:49:20 RPi1B2 exim[17968]: 2019-09-25 19:19:20 1iAKfN-0005uK-Ol Berkeley DB error: BDB0061 PANIC: Invalid argument
Sep 25 13:49:20 RPi1B2 exim[17968]: 2019-09-25 19:19:20 1iAKfN-0005uK-Ol Berkeley DB error: BDB0060 PANIC: fatal region error detected; run recovery
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Sep 25 13:49:30 RPi1B2 exim[17984]: 2019-09-25 19:19:30 1iAKfR-0005uN-2q H=mta7.am0.yahoodns.net [67.195.204.77]: SMTP error from remote mail server after pipelined MAIL FROM:<info@???> SIZE=4878: 421 4.7.0 [TSS04] Messages from 175.101.146.135 temporarily deferred due to user complaints - 4.16.55.1; see
https://help.yahoo.com/kb/postmaster/SLN3434.html
Sep 25 13:49:32 RPi1B2 exim[17983]: 2019-09-25 19:19:32 1iAKfR-0005uN-2q H=gmail-smtp-in.l.google.com [172.217.194.27]: SMTP error from remote mail server after pipelined end of data: 421-4.7.0 [175.101.146.135 15] Our system has detected that this message is\n421-4.7.0 suspicious due to the very low reputation of the sending IP address.\n421-4.7.0 To protect our users from spam, mail sent from your IP address has\n421-4.7.0 been temporarily rate limited. Please visit\n421 4.7.0 https://support.google.com/mail/answer/188131 for more information. x19si4949139pll.139 - gsmtp
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And there are about 10 exim processes still running after I do rc-service exim stop.
... Necktwi