Hi,
We have SMTPS server with SASL auth fro posting messages from external
networks (internal xtoo). Since weeks we found a lot (very big) amount of
SASL LOGIN authentication failed: authentication failure
in our logs.
Client IPs are foreigns and not real client.
1 - is it a brut force attack
Hi,
Sorry about a such boring subject : we have problems with Yahoo for sending
mails.
OUr company have to send "massive" newsletter to yahoo users, but we are
frequently (always ?) deferred, with only one "simple" explanation :
0.05/0/0.22/0.03, dsn=4.7.0, status=deferred (host
mx-eu.mail.am0.ya
