How to configure sendmail or SMTP server on VPS under Debian?

How to configure sendmail or SMTP server on VPS under Debian? Neither work... the Hoster is responsible, what to do with it ))
June 10th 19 at 14:20
1 answer
June 10th 19 at 14:22
Default is Postfix, and usually it requires no configuration
By default exim4. - Domingo.Keeling11 commented on June 10th 19 at 14:25

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