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Spam and Blocklists

Note If you came here to learn how to get your IP delisted from Symantec Cloud’s email filter: Sorry, you can’t. Email Filtering Spam is annoying because it distracts and makes it harder to identify email messages that need attention. Unwanted emails also frequently have attachments with content that can damage your computer, or they can […]

Getting off Hotmail’s blocklist

tl;dr: Before contacting Microsoft about problems sending email to @hotmail.com addresses, check your IP address’ reputation with Symantec here. When setting up a new VPS you sometimes discover that the IP address you have been given is blacklisted or has a negative reputation, perhaps because the previous tenant was spamming or hosting a compromised website with […]