Man pages matching name sendmail in section 8:

sendmail.8.en	debian 10 / dma
sendmail.8.en	debian 10 / esmtp-run
sendmail.8.en	debian 10 / exim4-daemon-heavy
sendmail.8.en	debian 10 / exim4-daemon-light
sendmail.8.ja	debian 10 / manpages-ja
sendmail.8.pl	debian 10 / manpages-pl
sendmail.8.en	debian 10 / msmtp-mta
sendmail.8.en	debian 10 / opensmtpd
sendmail.8.en	debian 11 / dma
sendmail.8.en	debian 11 / esmtp-run
sendmail.8.en	debian 11 / exim4-daemon-heavy
sendmail.8.en	debian 11 / exim4-daemon-light
sendmail.8.ja	debian 11 / manpages-ja
sendmail.8.en	debian 11 / msmtp-mta
sendmail.8.en	debian 11 / opensmtpd
sendmail.8.en	debian 11 / ssmtp
sendmail.8.en	debian 12 / dma
sendmail.8.en	debian 12 / esmtp-run
sendmail.8.en	debian 12 / exim4-daemon-heavy
sendmail.8.en	debian 12 / exim4-daemon-light
sendmail.8.ja	debian 12 / manpages-ja
sendmail.8.en	debian 12 / msmtp-mta
sendmail.8.en	debian 12 / opensmtpd
sendmail.8.en	debian 12 / ssmtp