Emails are a great sales tool. But, only if it did not fall under the spam filter. Let "s understand the reasons for getting into spam. First you need to understand what is spam - (eng. Spam) mass email-sending to people who have not expressed the desire to receive it. Accordingly, the main reason for getting into the spam folder is the use of various email parsers, purchased databases, mailing list exchanges and so on. This can lead to a complete blocking of email distribution or getting into the DNSBL (black lists) of the sender "s IP address, we recommend checking the IP address on the DNSBL (spam lists )
But, there are cases where the mailing is legitimate, and its recipients are interested in it, but all the letters exactly fall into the spam folder, such reasons are technical and have many factors. Mail services such as Gmail.com, Yandex, Mail.ru and others will send the mailing to spam or reject it altogether. Often this is not a valid DKIM, DMARC, MX, and SPF policy setting or SMTP server. Spam filters can be superimposed, then even after correcting errors, it will be extremely difficult and better to deliver the mailing to the inbox, to check the letter for spam and the correctness of all parameters before the mailing starts. By the way, we have diagnosing SMTP server for errors
Let "s go in order, to begin with, which in the content of the letter affects spam hit , and which should be avoided in email newsletters:
Now we understand the technical reasons for getting into spam :
We figured out the main reasons for getting into spam, as you can see, there are many of them and often it takes a lot of time. We applied all our experience and highlighted the most effective tests, now there are about 30 of them, including content scanning.