Emails are not coming to Roundcube Webmail.

[Horodep]

Hello friends, I am not receiving emails from Instagram on Roundcube Webmail. Has anyone encountered such an issue before? For example, whether it is when creating an account or when requesting a password reset email, emails from Instagram are not coming to Roundcube Webmail. I tried sending an email from Gmail, and it arrived within 2-3 minutes. I also tried sending emails, and they were successful, but I am not receiving emails from Instagram nor am I able to send emails to Instagram. Has anyone else experienced these issues before?