On Fri, 13 Dec 2024 23:29:39 +0000 Paul Martin <[email protected]> wrote:
The default snac2.service file is very restrictive. It stops notifications being sent by email if exim4 is the local MTA.Another user has reported a similar issue with postfix. Here are the relevant log lines:
postfix/smtpd[18665]: warning: unknown[...]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=...> postfix/smtpd[18665]: disconnect from unknown[...] ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4 postfix/smtpd[18483]: connect from unknown[...] ... snac[5194]: postdrop: warning: mail_queue_enter: create file maildrop/931793.5194: Permission denied postfix/postdrop[5194]: warning: mail_queue_enter: create file maildrop/931793.5194: Permission denied snac[5193]: postdrop: warning: mail_queue_enter: create file maildrop/932291.5193: Permission deniedDisabling PrivateTmp, PrivateUser, ProtectHome, and ProtectSystem for snac2.service fixes this issue. Perhaps we can narrow down this list though.
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