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(Old) Classic Linux: SMTP Filtering to Keep Out Spam
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By the use of Greylisting and black lists (see references below), a substantial amount of spam is rejected before it enters our network. This is called SMTP filtering.
You may adjust the SMTP filtering for your email address(es) by going to:
and following the link entitled "Email Address and SMTP Filtering Control".
You can add multiple email addresses (see
(Old) Adding/Removing Email Addresses)
and set the SMTP filtering for each as you prefer.
Wildcard domains: A domain name beginning with '@', such as @example.com, is called a wildcard domain. In our system this represents all unknown addresses in the domain.
To keep out dictionary attacks and prevent excessive machine load, email arriving for a wildcard domain, i.e., for unknown addresses in a domain, will always be subjected to a high degree of SMTP filtering and this cannot be switched off. You may create specific email addresses in your domain and separately adjust the SMTP filtering for each one.
References: For more information about greylisting and black lists, please see:
- 2009-Oct-25 05:02
(Old) Email Hyphenated Suffixes