Problems setting up a mail server?

Question

Debian

Share a recent article on setting up a mail server on debian. Everything I found is outdated. I tried it myself, a bunch of postfix + dovecot + ldap (ad). Letters are sent, writes ok, but in fact the letters do not reach, there are no sent ones either, such a problem both through the terminal and through the thunderbird, respectively.

Answer 1

I tried it myself, a bunch of postfix + dovecot + ldap (ad). Letters are sent, writes ok, but in fact the letters do not reach,

What about MX and SPF PTR records? What about DNS? did you set this up? If not, then you are here:
https://interface31.ru/tech_it/2013/10/pochtovyy-s...
https://interface31.ru/tech_it/2010/10/pochtovyj-s...
https:/ /interface31.ru/tech_it/2010/09/pochtovyj-s...