On Wed, Feb 10, 2016 at 12:29 AM, Ed Greshko <ed.greshko@xxxxxxxxxxx> wrote: > > > On 02/09/16 21:14, arnaud gaboury wrote: >> Now trying to an external user: >> >> % telnet mail.thetradinghall.com 587 >> ---------------------------------------- >> .............. >> email from:arnaud.gaboury@xxxxxxxxxxxxxxxxxx >> 502 5.5.2 Error: command not recognized >> mail from:arnaud.gaboury@xxxxxxxxxxxxxxxxxx >> 250 2.1.0 Ok >> rcpt to:arnaud.gaboury@xxxxxxxxx >> 454 4.7.1 <arnaud.gaboury@xxxxxxxxx>: Relay access denied >> --------------------------------------------------------------------------- >> >> $ journactl --unit postfix -r >> ---------------------------------------- >> Feb 09 13:47:05 poppy postfix/smtpd[1518]: NOQUEUE: reject: RCPT from >> unknown[MyPublicIp]: 454 4.7.1 <arnaud.gaboury@xxxxxxxxx>: Relay >> access denied; from=<arnaud.gaboury@xxxxxxxxxxxxxxxxxx >> Feb 09 13:46:02 poppy postfix/smtpd[1518]: connect from unknown[MyPublicIp] >> Feb 09 13:46:02 poppy postfix/smtpd[1518]: warning: hostname >> dsldevice.lan does not resolve to address MyPublicIp >> >> *********************** >> >> After some reading, I came to the conclusion I did not setup any PTR >> record. hostname dsldevice.lan is in fact my gateway (168.192.1.254). > > I doubt the problem is the lack of a PTR record. > > If you tried the reverse, "mail from xxx@xxxxxxxxx" to someone@xxxxxxxxxxxxxxxxxx chances > are it would work. You are right. Sending emails from outside works. > > The error message you are getting is "Relay access denied". This is normally a good thing > since if the mail server is facing the Internet you'd have what is known as an "open > relay" which spammers use and would get you blacklisted. > > I've not worked with postfix or sendmail for quite some time. Most recently I worked with > another MTA which had a concept of "Trusted Domains". One could define a domain or a > range of IP addresses where relaying would be allowed. I don't know if postfix has that > sort of configuration option. I will have a closer look at the relay settings. TY > > The other option, and the best one if you plan to use the server as your SMTP host when > traveling or outside the local network, is to configure your system for SMTP AUTH. With > SMTP AUTH a user authenticates to the server and then is allow to send mail anywhere. > > > -- > In reality, some people should stick to running Windows and others should stay away from > computers altogether. > > -- > users mailing list > users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe or change subscription options: > https://admin.fedoraproject.org/mailman/listinfo/users > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines > Have a question? Ask away: http://ask.fedoraproject.org -- google.com/+arnaudgabourygabx -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
