On Wed, Feb 27, 2013 at 10:11:08AM -0400, francis picabia wrote: > Hi, > > The number of phishing or otherwise compromised accounts is needing > an automation to manage it. Last night the spammers waited until > the evening and simultaneously used 3 compromised accounts to send > spam over secure smtp. A nagios alert on number of messages > in the queue was our only alarm, and in only a couple of hours > the reputation of the server and domain is damaged for awhile (both in and > out). > > I added smtpd_recipient_limit=20 to the options for secured SMTP. > The error it produced when tested (with Thunderbird) is confusing: > > The size of the message you are trying to send exceeds a temporary size > limit of the server. The message was not sent; try to reduce the message > size > or wait some time and try again. The server responded: 4.5.3 Error: too > many recipients. > > If the user patiently reads to the end, the last statement is the only > thing they > need to know. However, the previous statements are wrong and misleading. > How can this error be made better?
Hi Francis, The error from postfix is very clear: 4.5.3 Error: too many recipients. The remaining exposition is from Thunderbird so you may want to take this question up with their developers. Cheers, Ken
