On 10/28/20 2:38 PM, Wietse Venema wrote:
One possible way out is to skip the Postfix sendmail command, and to use a "mini sendmail" program that submits mail via SMTP.
adding an msmtp sender as the VirusAction script in clamav milter, though a bit of 'extra', certainly is the simplest. easy to implement, and seems to behave under my testing -- no more perms errors. will watch for awhile.
