skip to Main Content

Fighting Mailserver Problems – Delivery Failed

First of all, check if the IP of the sending server is on any of the major blocklists:

Make sure you have the SPIF Settings for the sending domains set to the minimum security standard. For instance. requires at least something like this: IN TXT "v=spf1 a mx ip4: -all"

More Information:

Auch interessant: Zustellungprobleme bei Weiterleitungsadressen: Werden Sie nicht zur Spam-Schleuder:


Back To Top