Welcome to postmaster.mail.de

Here you can find information about the mail.de mail system.

Abuse contact:

If you have any question or cannot find the information you are looking for, please mail us: postmaster@mail.de
If you see any abuse from our systems, please also contact us: abuse@mail.de

IP Addresses of our outbound mail servers: 2001:868:100:600::216 shout01.mail.de 2001:868:100:600::217 shout02.mail.de 2001:868:100:600::218 shout03.mail.de 2001:868:100:600::219 shout04.mail.de 2001:868:100:600::f153 shout11.mail.de 2001:868:100:600::f154 shout12.mail.de

Email sending policy:

If you want to send emails to us, your outbound mailserver and your emails have to meet the following conditions:

Rate limiting:

If you get temporary rejects from our MX mailservers with the SMTP error message "450 Traffic is being throttled", then you are sending too fast. Either slow down your sending rate, or contact us, then we can talk about increasing your rate limit.

DKIM signature:

We add a DKIM signature to every mail that leaves our system. Currently we use the following DKIM selector:

You can find more information at mxtoolbox.

Usage of DNSBLs (DNS Blocklists):

As one of our counter measures we use well known, public and private blocklists. If your outbound IP address is listed on these blocklists, we might block your mails with the following error message:

550 Access denied

We currently use the following 6 DNSBLs: