gitlab_rails[‘smtp_tls‘] and gitlab_rails[‘smtp_enable_starttls_auto‘] are mutually exclusive. Set o
gitlab_rails['smtp_tls']andgitlab_rails['smtp_enable_starttls_auto']aremutuallyexclusive.Setoneofthemtofalse.SMTPprovidersusuallyuseport465forTLSandport587forSTARTTLS