Whitelist or blacklist?

There will always be opinions, both good and bad on how MagicSpam protection, rules and policies are used, and what the defaults should be. Different environments may have different needs. We try to find the perfect balance, and that is not always easy. Just remember that we have to satisfy millions of users.. not just one person.

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NetGuarana
Posts: 3
Joined: Thu Jul 12, 2018 1:41 pm

Whitelist or blacklist?

Post by NetGuarana » Fri Dec 08, 2023 5:19 am

Hello,
There is a hosting company in Brazil, called Locaweb, with several email servers and many real clients and accounts. However, this same company commonly allows its numerous customers to send many SPAMs or unwanted messages.
Commonly, the IPs of this company and its email servers are added to blacklists and the biggest problem is that EITHER real emails are not received OR SPAMs are received without any verification.
How should I go about resolving this?

magicspam
Posts: 1553
Joined: Tue Oct 28, 2008 2:27 pm

Re: Whitelist or blacklist?

Post by magicspam » Tue Dec 19, 2023 5:16 pm

Hello NetGuarana,

Thank you for your post.

If the company is being used to send a lot of spam from their servers, such companies will eventually be listed on the BMS list available in MagicSpam (and other systems). Once listed their messages will be blocked until the spamming issue is resolved and their IPs are delisted.

In the meantime, we would recommend notifying the company of the compromises and spam and then blacklist their IPs until they resolve the issue, and in the meantime, whitelist their good senders based on the original email address.

Additionally, you can reach out to our MagicSpam support team via: support@magicspam.com and provide them more information on this particular spam, after which our Spam Auditor team can devise a new set of rules to filter those spam messages.

We hope this information helps.
-- MagicSpam Support Team --

annathree
Posts: 1
Joined: Wed Jan 31, 2024 4:54 am

Re: Whitelist or blacklist?

Post by annathree » Sat Feb 03, 2024 10:26 am

Notify Locaweb about the spam issue from their servers.
Blacklist spamming IPs while awaiting Locaweb's action.
Whitelist legitimate senders to ensure important emails aren't blocked.
Contact MagicSpam support at support@magicspam.com for assistance.
Follow up with Locaweb for resolution and ongoing monitoring.

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