From 43360f42a852685068c35cb4f26aa164bfb78b49 Mon Sep 17 00:00:00 2001 From: bnewbold Date: Thu, 21 Jan 2016 12:27:57 -0800 Subject: email: add note about mail_max_userip_connections and K-9 --- software/email.page | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/software/email.page b/software/email.page index 7e93816..f749471 100644 --- a/software/email.page +++ b/software/email.page @@ -52,12 +52,17 @@ Server Setup Dovcot and postfix, installed mostly following "linode library" instructions. -mailman for mailing lists. +Set dovecot's ``mail_max_userip_connections`` to ~40 or more if using K-9 mail, +or you'll get errors about "AUTHENTICATE PLAIN" This is because K-9 makes many +parallel connections. + +mailman for mailing lists. or enemies-of-carlotta. setup SPF records. References: +* [need for high (40+) mail_max_userip_connections in dovecot](http://www.dovecot.org/list/dovecot/2011-September/061221.html) * [write up of contemporary (2012) techniques](http://blog.phusion.nl/2012/09/10/mail-in-2012-from-an-admins-perspective/) http://sealedabstract.com/code/nsa-proof-your-e-mail-in-2-hours/ -- cgit v1.2.3