CSF blocking an IP because of Exim syntax errors
Posted: 27 Jun 2019, 16:04
An IP just got blocked by CSF
Temporary Blocks: IP:xx.xx.xx.xx Port: Dir:inout TTL:86400 (lfd - **(eximsyntax) Exim syntax errors from xx.xx.xx.xx** (US/United States/ipxx.xx.xx.xx.net): 10 in the last 3600 secs)
The to address in a recipient contains "single quotation marks " which seems to be the reason for blocks.
SMTP call from (user) [xx.xx.xx.xx]:3312 dropped: too many syntax or protocol errors (last command was "RCPT TO: <'user@hotmail.com'>")
I would like the user IP NOT to be blocked for such situation. Just a simple Mailer Daemon should suffice. As I would prefer not to manage IP whitelisting because of such typo.
Any clue? Thanks!
Temporary Blocks: IP:xx.xx.xx.xx Port: Dir:inout TTL:86400 (lfd - **(eximsyntax) Exim syntax errors from xx.xx.xx.xx** (US/United States/ipxx.xx.xx.xx.net): 10 in the last 3600 secs)
The to address in a recipient contains "single quotation marks " which seems to be the reason for blocks.
SMTP call from (user) [xx.xx.xx.xx]:3312 dropped: too many syntax or protocol errors (last command was "RCPT TO: <'user@hotmail.com'>")
I would like the user IP NOT to be blocked for such situation. Just a simple Mailer Daemon should suffice. As I would prefer not to manage IP whitelisting because of such typo.
Any clue? Thanks!