On Fri, Oct 22, 2010 at 02:29:23PM -0400, Carlos Mennens wrote: > I had someone tell me today that they were unable to send email to > their customer from the mail server because they got the following > error: > > ***************************************** > Failed Recipient: u...@example.tld > Reason: Remote host said: 554 Service unavailable; Client host > [vss155.webhosting-email.com] blocked by zen.spamhaus.org; > http://www.spamhaus.org/query/bl?ip=74.235.192.80 > *****************************************
This IP address is indeed listed: TXT "http://www.spamhaus.org/query/bl?ip=74.235.192.80" A 127.0.0.11 > Now I noticed that they were able to send me emails fine to my Postfix > mail server shown below: > > Oct 22 13:55:32 mail postfix/smtpd[10081]: connect from > vss155.webhosting-email.com[64.38.48.101] > Oct 22 13:55:32 mail postfix/smtpd[10081]: B25E1207AE: > client=vss155.webhosting-email.com[64.38.48.101] This address (64.38.48.101) is not. -- Viktor.