It is a score assigned to a message by the anti-spam engine indicating the relative likelihood that the message is spam.

The spam score is determined by a large number of checks performed on the content of your email document plus some DNS based checks. Most rules are based on regular expressions that are matched against the body or header fields of the message. It recognizes words like Viagra and Casino in your document, but also whether the from address of the message exists or not.

The higher the positive score is for your email, the higher the probability of that the message is a spam. For the best delivery results, it is advised to lower your spam score as much as possible.

Here are some tricks which will help you to lower your spam score:

1. Avoid usage of spam sensitive words and phrases

•  Avoid words like Bitcoin, Cryptocurrency , mentions of other drugs and their chemical names, pharmacy, Viagra, fast delivery, attempts to disguise words like Viagra and porn.
• Avoid words like Bitcoin, Cryptocurrency , mentions of other drugs and their chemical names, pharmacy, Viagra, fast delivery, attempts to disguise words like Viagra and porn.

2. Use a proper from address

• Do not start or end your from address name with digits.
• Do not capitalize your from address or subject line. Avoid using capitalization in your message body.

3. Use a proper subject line

• Avoid using dollar amounts in your subject line.
• Do not talk about losing pounds or weight loss and other advertisement words in your subject line.

4. Use of proper attachment formats

• Never send only-attachment email
• Use only common and safe attachment types such as .txt, .jpg, .PDF, .zip

Avoid sending attachment such as .exe, .apk, .jar etc.

• Avoid sending large size attachmnets