Guillermo Gonzalez writes:

It means the machine which is popping email is not in DNS or /etc/hosts.

Add the IP address of the remote host(s) to DNS, /etc/hosts, or hack the offending message out of popper.

There is one other way, syslogd can be instructed to ignore this class of popper messages. There might be other messages of interest. So if only this one (right now) is causing problems its easiest to delete it in the source code and leave any other possible messages enabled

% su # cd /usr/ports/mail/popper # make patch # cd work/qpopper2.41beta1 # grep -i canonical *.c pop_init.c: /* Get the canonical name of the host to whom I am speaking */ pop_init.c: "(v%s) Unable to get canonical name of client, err = %d", # vi pop_init.c

/* Get the canonical name of the host to whom I am speaking */ ch = gethostbyaddr((char *) &cs.sin_addr, sizeof(cs.sin_addr), AF_INET); if (ch == NULL){ #ifdef CANONICAL_BELLYACHE pop_log(p,POP_PRIORITY, "(v%s) Unable to get canonical name of client, err = %d", VERSION, errno); #endif p->client = p->ipaddr; }

Add the #ifdef/#endif shown above. Don't worry about CANONICAL_BELLYACHE, just chose something thats not defined.

# cd ../.. # pwd /usr/ports/mail/popper # pkg_delete qpopper-2.41b1 # make install # make clean # exit %

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