Do you see anything unusual in the Intrusion Prevent log? In the SMTP Proxy log? Are the emails in the Astaro SMTP queue (Mail Security >> Mail Manager)?
Cheers - Bob
Sophos UTM Community Moderator Sophos Certified Architect - UTM Sophos Certified Engineer - XG Gold Solution Partner since 2005
Do you see anything unusual in the Intrusion Prevent log? In the SMTP Proxy log? Are the emails in the Astaro SMTP queue (Mail Security >> Mail Manager)?
Cheers - Bob
Sophos UTM Community Moderator Sophos Certified Architect - UTM Sophos Certified Engineer - XG Gold Solution Partner since 2005