Sign into webmail and confirm ⚙ > E-Mail - SPAM Settings > Move message to Spam folder is set. If it is then consider the following options:
- migrating to a new email service with better spam filters ― long term this would be the preferred option as it has many advantages: no longer fearing loss of email addresses when switching ISP; better security in form of multifactor authentication, etc.
- should that not be possible then create a filter rule similar to the following in webmail:
Any email from miscreant @example.com or example,org will be flagged and moved to Spam folder. The advantage of using a filter rule over Blocklist is flexibility. For example, a common spamming strategy is to randomised the part before the @, i.e. miscreant-0@example.org, miscreant-1@example.org; the above rule will catch the variation.
To extend the list append new entries, for instance append |example.net to include it; it is important to separate listed entries with | character — resulting in miscreant @example.com|iexample.org|example.net
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