exim4:remove_exim_version_number
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Exim4 - Remove exim version number
Open the file /etc/exim.conf and find the key smtp_banner, then change that line in this way :
From
smtp_banner = "${primary_hostname} ESMTP Exim ${version_number} \
To
smtp_banner = "${primary_hostname} ESMTP \
exim4/remove_exim_version_number.1479295747.txt.gz · Last modified: 2020/07/15 09:30 (external edit)