Inclusion in the PSBL indicates the following: If you are running your own mail server, that server/IP address was used to send spam, either via an open-relay or someone hijacking an account on the server to send spam. In this respect, if the issue is corrected, your IP address will most likely eventually time out and be removed from the list unless you manually request delisting. There is also the possibility that you were hit with a Trojan or "zombie" caused by malware, which, if not quickly resolved, could result in a long-term listing in the PSBL.
DMARC is the key to improving Email Deliverability!
Email is the key to your customer communication strategy. But, what is your email reputation?
Setting up and managing your DMARC configuration is the key to getting insight into your email delivery. MxToolbox is the key to understanding DMARC.
MxToolbox Delivery Center gives you:
- Who is sending phishing email purporting to be from your domain
- What is the reputation of your domains and delegated IPs
- Where other senders are and What their reputations are
- How your SPF, DKIM and DMARC setup is performing
- What on-going maintenance you need to maintain and improve your email deliverability
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