On 9/16/22 14:42, Dan Caballero wrote:
Thanks Mark. We're using an external host(s) for the outgoing MTA. See settings below. I can advise those sysadmins about your recommendations.
Your settings seem fine.
[mta] smtp_host: smtp.caltech.edu [mta] smtp_port: 25
sets your outgoing MTA, and
[mta] verp_delivery_interval: 1
says VERP every message which impacts performance in that each recipient's message is delivered to the MTA in a separate transaction, but this is what I do as it makes bounce processing more reliable.
You might find some of the hits from https://wiki.list.org/FrontPage?action=fullsearch&context=180&value=performance&titlesearch=Titles to be useful.
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan