Message has lines too long for transport

Some accounts are receiving this message when sending email.

Any configuration that solves it?

That message comes from Outlook? Maybe your users should configure the client to wrap the lines to avoid so long lines.

I wouldn’t do it but maybe you could try to define variable IGNORE_SMTP_LINE_LENGTH_LIMIT in your exim conf /etc/exim4/exim4.conf.template.

IGNORE_SMTP_LINE_LENGTH_LIMIT=1

ok
thanks I will follow your advice and tell the users to configure outlook

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