Yes, this domain seems to be configured correctly to accept inbound mail.
But keep in mind, this doesn't identify spamtraps nor did we test individual addresses.
Need help with deliverability? Need assistance with inbox problems,
spam folder placement, DMARC, DKIM or SPF authentication? Check out
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contact me.
Hosting:
Inbound mail for kundenserver.de is hosted by 1and1.com
1and1.com hosts mail for at least 5,208 domains, including: