duluxoz via Postfix-users:
> Hi All,
>
> I need some help in interpreting the following postfix log message,
> please (this is showing up all over the log):
>
> `Feb 24 17:46:55 mail postfix/smtpd[77980]: fatal:
> smtpd_peer_hostaddr_to_sockaddr: cannot convert client address/port to
> string: Servname not supported for ai_socktype`
The getaddrinfo(3) system library function cannot convert a (presumably
numerical IP address and numerical port) for the socket type
SOCK_STREAM into the internal form "struct addrinfo", and returns
the EAI_SERVICE error code.
> I've looked online but I can't find an exact match and I can't work out
> the problem (or, more importantly, how to fix the problem) from the near
> and not-so-near google matches.
>
> I'm not sure what to include re: (other) logs, config files etc, so
> please feel free to ask if required? :-)
1) Is this a connection to port 25, 587, 465?
2) Is this a direct connection to an smtpd(8) process or is it first
accepted by postscreen, haproxy, or (nginx+)xclient?
3) What is the output from "postconf inet_protocols"?
Wietse
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