There is a problem with the delivery list

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Are you sending undeliverable email addresses together with other email addresses? If you send emails from a list that contains many email addresses that have delivery errors, such as unknown addresses, your emails will be more likely to be marked as spam. This is because if there are many delivery errors from the same sender, the recipient will suspect that it is spam.

It is important to exclude (clean) email medical insurance leads email list addresses that cannot be delivered before delivering.



There is a problem with the email body
There are certain words and phrases that are often used in spam emails. If you include these keywords in the subject or body of your email, the recipient may mark it as spam, so be careful.

In addition, excessively provocative expressions and decorative characters may be judged as spam. If there are no problems with the sending environment or lists, it is a good idea to check whether the body of the email contains characters that may be considered spam.

So, what kind of measures should you take to actually avoid this? Strictly speaking, there are subtle differences in the guidelines set by each mobile carrier, webmail, ISP, etc., but some general points are listed below. All of these are measures to avoid causing discomfort or distrust on the part of the recipient (both carriers and users).







15 ways to avoid your email being marked as spam
If you have not implemented any of the 15 measures, we recommend that you take action as soon as possible. We also hope that these 15 measures will serve as an opportunity to think about "putting the recipient first" and "avoiding making the recipient feel uncomfortable."



①Check the DNS settings of the From domain
Some receiving carriers and ISPs perform a reverse DNS lookup of the email's From domain to check whether an IP address is associated and configured.

By making sure your DNS is trusted, you can avoid being considered an untrusted sender.



②Domain authentication such as SPF and DKIM
Both SPF and DKIM are sender domain authentication technologies that prove the origin of the email server. We have introduced these technologies in previous columns, so please check them out.