email_from format in Datacenter.cfg

ParMesSoins

New Member
Dec 20, 2018
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Hello,
i can't modify /etc/pve/datacenter.cfg to set my SMTP domain ($hostname@domain.i2)
LOG error: parse error in '/etc/pve/datacenter.cfg' - 'email_from': invalid format - value does not look like a valid email address

But only this domain can send mail !
How can i do ??