https://bugs.exim.org/show_bug.cgi?id=3159
Bug ID: 3159
Summary: Exim fails to deliver paniclog email when it contains
long lines
Product: Exim
Version: 4.96
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Logging
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
When exim paniclog email contains lines longer than 1000 characters, it fails
at delivering it because it violates SMTP specifications (RFC 5321): "message
has lines too long for transport". In other words, exim is dropping its own
email and fails to report the original issue reported by paniclog.
To fix this issue, exim should ensure it wraps line in its paniclog email
("exim paniclog on <domain> has non-zero size") to less than 1000 characters
per line.
I didn't find any workaround except deliberately violating the RFC with
IGNORE_SMTP_LINE_LENGTH_LIMIT=1, which does not seem like a good idea.
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