OpenSMTPD 6.6.3p1 released

Hello, I have just released the minor version 6.6.3p1 of OpenSMTPD. Following the advisory from Qualys late January, I have discussed various mitigation on my blog: https://poolp.org/posts/2020-01-30/opensmtpd-advisory-dissected/ Several were implemented in OpenBSD -current and this new

How to set from: for bounce mails from OpenSMTPD

Hi, I am running OpenBSD 6.5 with OpenSMTPD and dovecot and if I send an email to an invalid email address, I do not get a bounce back from OpenSMTPD telling me that the email address is invalid. So this means I never know that I made a mistake in sending my email. Taking a look at the