In B2B, this is one of the most effective sales methods. I calculated the results for my favorite project this evening and am sharing them with you.

The database is tiny, just a few dozen addresses.

The check for the IT service is quite high.

Here's what the percentages turned out to be. I hope to improve this metric, but the initial one is like this.

Email campaigns work great, you just need to put effort into them, but some people are too lazy.