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authorbnewbold <bnewbold@robocracy.org>2016-01-21 12:27:57 -0800
committerbnewbold <bnewbold@robocracy.org>2016-01-21 12:27:57 -0800
commit43360f42a852685068c35cb4f26aa164bfb78b49 (patch)
tree1aec2f9df49b58c677c89d8bab663c8361cf8b67
parentc4ca98ff9376cad2a5f56972222707d784199ad9 (diff)
downloadknowledge-43360f42a852685068c35cb4f26aa164bfb78b49.tar.gz
knowledge-43360f42a852685068c35cb4f26aa164bfb78b49.zip
email: add note about mail_max_userip_connections and K-9
-rw-r--r--software/email.page7
1 files changed, 6 insertions, 1 deletions
diff --git a/software/email.page b/software/email.page
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--- 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/