I don’t think so. This logs only tells you that one of your users are sending to an unknown user(s) in the server mail.raincity.com. This is normal and this means your server is working properly.
---- I'm using postfix MTA. Aug 14 11:58:16 mail postfix/smtp[11893]: 705DAAAD51: to=<[EMAIL PROTECTED]>, relay=mail.raincity.com[208.186.5.150], delay=2, status=bounced (host mail.raincity.com[208.186.5.150] said: 550 unknown user <[EMAIL PROTECTED]> (in reply to RCPT TO command)) Aug 14 12:08:33 mail postfix/smtp[12064]: 6C877AAD85: to=<[EMAIL PROTECTED]>, relay=mail.raincity.com[208.186.5.150], delay=302, status=bounced (host mail.raincity.com[208.186.5.150] said: 550 unknown user <[EMAIL PROTECTED]> (in reply to RCPT TO command)) Aug 14 12:10:11 mail postfix/smtp[11807]: 251FEAADB7: to=<[EMAIL PROTECTED]>, relay=mail.raincity.com[208.186.5.150], delay=216, status=bounced (host mail.raincity.com[208.186.5.150] said: 550 unknown user <[EMAIL PROTECTED]> (in reply to RCPT TO command)) Aug 14 12:10:47 mail postfix/smtp[11865]: D4F85AAD74: to=<[EMAIL PROTECTED]>, relay=mail.raincity.com[208.186.5.150], delay=164, status=bounced (host mail.raincity.com[208.186.5.150] said: 550 unknown user <[EMAIL PROTECTED]> (in reply to RCPT TO command)) Do I have to worry about these logs? --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.736 / Virus Database: 490 - Release Date: 8/9/2004 --- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. Poveda Learning Centre http://www.plc.edu.ph -- Philippine Linux Users' Group (PLUG) Mailing List [EMAIL PROTECTED] (#PLUG @ irc.free.net.ph) Official Website: http://plug.linux.org.ph Searchable Archives: http://marc.free.net.ph . To leave, go to http://lists.q-linux.com/mailman/listinfo/plug . Are you a Linux newbie? To join the newbie list, go to http://lists.q-linux.com/mailman/listinfo/ph-linux-newbie
