Regarding the major questions such as:
- Can I be confident that my mail server IP address removed from the Office 365 blacklist?
- What is the period required to remove the mail server IP address from the Office 365 blacklist?
At the current time, there is not a lot of information regarding this question and another question that relates to this issue.
The only think that can be assumed is that in case that our mail server IP address Registered mistakenly (false positive) in the Office 365 blacklist, there is high chance in which our request accepted, and taht the IP address removed from Office 365 blacklist
Just a short quotation from the O365 Anti-Spam IP Delist Portal
Please note that before submitting this request, it is the sender’s responsibility to ensure that any further mail originating from the IP in question is not abusive or malicious.
How to submit a request for removing my mail server IP address from the Office 365 blacklist?
- Access the following URL : O365 Anti-Spam IP Delist Portal (https://sender.office.com)
- Enter the required information such as your E-mail message and your mail server IP address.
Third-party block lists providers – Office 365
Third-party block lists
|List Name||Delisting Portal||For more information|
|SURBL||http://www.surbl.org/surbl-analysis||Introducing SURBL URI reputation data|
|Spamhaus||https://www.spamhaus.org/lookup/||Understanding DNSBL Filtering|
|invaluement||http://dnsbl.invaluement.com/lookup/||invaluement anti-spam list|
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