I have a small server with several domains, always worry some dumb users'
account will get hacked and start spamming (including this dumb user,
like, my own forgotten test account got hacked....)
is it a good idea to put some limits or throttling 'just in case' ?
Postfix 2.11, average server usage is like:
Per-Day Traffic Summary
-----------------------
date received delivered deferred bounced rejected
--------------------------------------------------------------------
May 23 2016 1422 1794 21 0 3399
May 24 2016 1683 2239 10 0 4509
May 25 2016 1583 2031 11 1 5402
May 15 2016 576 633 15 1 5343
May 16 2016 1438 2007 18 6 8497
May 17 2016 1579 2128 11 1 7738
May 18 2016 1598 1912 8 2 5889
May 19 2016 1604 2044 13 6 4947
May 20 2016 1196 1292 9 2 5100
May 21 2016 723 788 9 1 4349
May 22 2016 84 89 0 0 450
May 8 2016 1753 1823 8 1222 2498
May 9 2016 2894 3286 10 1440 3365
May 10 2016 3064 3401 26 1440 2413
May 11 2016 3004 3428 20 1440 3255
