About Spam Filters

Spam filters always use a number of criteria in determining and assessing e-mail that arrives in the user mailbox. These criteria can vary between users. After looking at several criteria, the spam filter will determine what the spam score is from the email. This score determines whether the email can be sent or can be said to pass through the filter or not. This score varies greatly, depending on several factors.

Although not all spam filters have the same algorithm in determining spam scores in an email, there are at least some fact that are often sought by spam filters.

In this article, you will find out what spam filters are detecting or looking for to determine spam scores.

1. Email Domain If you want to use free email domains like Gmail, ymail, outlook, etc. We do not recommend using a free email domain. This is because spam filters will be more aggressive in filtering free email domains. Unlike the email domain that has been verified.

If you already have an email domain, then before sending an email, it is strongly recommended to do the email sender domain authentication. This is so that the email domain that you register to send email, can be recognized by the server and verified.

For those of you who just have an email domain, it is recommended to do warming up domain. Here’s what you need to know about warming up domain

  • To build domain reputation.
  • Ask your subscriber for help for emails sent to the spam box, so that they are marked as non-spam emails
  • It takes at least 30 days for the domain’s reputation to improve.

Then how do you do warming up domain? Click here to do warming up domain.

2. IP Address

Some spam filters will tag your email if there are people with the same IP address, sending spam emails. Even though it’s not you though. In addition, if your IP address has been used to send spam e-mail, and you use MTARGET, then the e-mail you send uses the MTARGET server and that can affect email deliverabillity for other MTARGET users as well. So, make sure your IP Address is never misused to send emails that are potentially spammy.

3. Email Content The content of the email that you send must be in accordance with what you offer. Some email service providers (ESP) have spam filters that are very aggressive in marking spam emails based on certain content. If you are in doubt whether the email sent will go to the spam box or not, you can try to make an A / B test email to test which email is affecting the delivery.

4. Unsubscribe No matter how important the email you send, never forget to always include an unsubscribe link. This is very important because if you don’t list it, the email has the potential to be reported as spam. Or if the subscriber wants him to unsubscribe from you, then stop subscribing. But it would be better if the email is equipped with a link to unsubscribe.

5. Domain Reputation Free email domains, like Gmail, are often filtered more strictly than verified email domains. But even so, that doesn’t mean private domains will get away easily. It takes time to develop a good shipping reputation. It will be quite risky if you have a new domain, then send a massive number of emails. If this is your first time sending email using your domain, Warming Up Domain is required first. Read here.

We suggest that you ask your subscribers to whitelist your email. You can read the Guidelines on Email Whitelist here.


FaQ

Q: Why can my MTARGET account be detected as spam act when sending email? A: This could happen if you frequently send large amounts of email. Even though email sending has been limited to email quota, you are also not allowed to send a large number of emails within a short period of time. If you get a notification of the Spam Act, please contact us and we will help you.

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