On 22/07/18 16:35, arthurjohnston@verizon.net wrote:

Remember to restart your webserver.

The following is my hook for Certbot in Apache.

========================== #!/bin/sh service postfix restart service dovecot restart service apache2 restart

A "postfix restart" is not necessary - see Viktor Dukhovni's post (co-developer of Postfix) on the Postfix ML:

http://postfix.1071664.n5.nabble.com/Letsencrypt-tip-tp92584p92604.html

Cheers, Juri