a new lxd container with debian bullseye has to send emails to an SMTP-Relay. The chosen software is sSMTP 2.64 and the configuration looks like that:
/etc/ssmtp/revaliases
# sSMTP aliases
#
# Format: local_account:outgoing_address:mailhub
#
# Example: root:[email protected]:mailhub.your.domain[:port]
# where [:port] is an optional port number that defaults to 25.
root:[email protected]:mailout.example.com
www-data:[email protected]:mailout.example.com
/etc/ssmtp/ssmtp.conf
#
# Config file for sSMTP sendmail
#
# The person who gets all mail for userids < 1000
# Make this empty to disable rewriting.
[email protected]
# The place where the mail goes. The actual machine name is required no
# MX records are consulted. Commonly mailhosts are named mail.domain.com
mailhub=mailout.example.com
# Where will the mail seem to come from?
#rewriteDomain=
# The full hostname
hostname=srv0815
# Are users allowed to set their own From: address?
# YES - Allow the user to specify their own From: address
# NO - Use the system generated From: address
FromLineOverride=NO
I can send an email as following and everything looks like expected:
www-data@srv0815:~# echo "Test message" | mail -s "Test message - is from?" [email protected]
But if I send an email with an additional "from field" like this...
www-data@srv0815:~# echo "Test message" | mail -s "Test message - is from?" [email protected] -a From:[email protected]
...I will receive the email with the given "From address" (e.g. [email protected]). But this shouldn't be possible!? I've explicit set "FromLineOverride=NO" in my configuration. Therefore, as far as I know, ssmtp should ignore any additional "from field".
The same configuration works as expected on another container with gentoo linux.
Is it a bug? Did I missed some setting?
I am grateful for any hint.
question from:
https://stackoverflow.com/questions/65908377/ssmtp-fromlineoverride-no-has-no-impact 与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
