Hey Terri, I am in this thread late. You are seeing port 25 response slowness when sending messages from your host?
Are you running unix or windows for your host/server? Is your server available from the internet? ryan On Thu, May 13, 2010 at 7:08 AM, Terri Kelley <net...@farm-market.net> wrote: > Guess someone could set it up that way but what a mess. Anyway, that's not > the case here. > > Terri Kelley > Network Engineer > 254-697-6710 x 1140 > Farm to Market Broadband > www.farm-market.net > > > This email message is intended only for the named recipient(s) above, and > may contain, together with any attachment(s), confidential information that > is privileged. If you are not the intended recipient, be advised that you > have received this email in error and that any use, dissemination, > forwarding, printing, copying or distribution of this message and any > attachment(s) is strictly prohibited. > > > > > On May 13, 2010, at 8:28 AM, Shayne Lebrun wrote: > >> Ah, but many anti-spam solutions do use PTR entries, on the theory that >> anybody not using a proper PTR is a) illegitimate, b) a 'dynamic' user that >> should be sending mail through their ISP's MTA, or c) so clueless that >> they're a huge security risk. >> >>> -----Original Message----- >>> From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik- >>> boun...@mail.butchevans.com] On Behalf Of Terri Kelley >>> Sent: Wednesday, May 12, 2010 11:06 PM >>> To: Mikrotik discussions >>> Subject: Re: [Mikrotik] smtp delay >>> >>> Well I am not so sure. Our own email server should not require reverse >>> lookup for a client logging in and sending email. That is the norm for an >>> email server. Where PTR comes into play is when one email server sends an >>> email to another server. So that reverse lookup should not happen on the >>> initial send from a customer here to our own email server. >>> >>> PTR entries are usually only enter for servers, especially email servers >>> since that is a spam check. Think of a business. They don't have PTRs for >>> every desktop in their enterprise. That would be a nightmare. >>> >>> Terri Kelley >>> Network Engineer >>> 254-697-6710 x 1140 >>> Farm to Market Broadband >>> www.farm-market.net >>> >>> >>> This email message is intended only for the named recipient(s) above, and >>> may contain, together with any attachment(s), confidential information >>> that >>> is privileged. If you are not the intended recipient, be advised that you >>> have received this email in error and that any use, dissemination, >>> forwarding, printing, copying or distribution of this message and any >>> attachment(s) is strictly prohibited. >>> >>> >>> >>> >>> On May 12, 2010, at 1:23 PM, Butch Evans wrote: >>> >>>> On Wed, 2010-05-12 at 12:37 -0500, Terri Kelley wrote: >>>>> Really doubt it is my mail server. I have one customer >>>>> complaining that it happens to him when using other smtp >>>>> email servers. >>>> >>>> If you are natting, then DNS may still be the issue. If you ARE >>>> natting, then do a reverse lookup on the IP that you are natting to. >>>> I'd bet that you'll find there is no PTR record for that IP. >>>> >>>> >>>> -- >>>> ******************************************************************** >>>> * Butch Evans * Professional Network Consultation* >>>> * http://www.butchevans.com/ * Network Engineering * >>>> * http://store.wispgear.net/ * Wired or Wireless Networks * >>>> * http://blog.butchevans.com/ * ImageStream, Mikrotik and MORE! * >>>> ******************************************************************** >>>> >>>> _______________________________________________ >>>> Mikrotik mailing list >>>> Mikrotik@mail.butchevans.com >>>> http://www.butchevans.com/mailman/listinfo/mikrotik >>>> >>>> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik >>> RouterOS >>> >>> -------------- next part -------------- >>> An HTML attachment was scrubbed... >>> URL: >>> <http://www.butchevans.com/pipermail/mikrotik/attachments/20100512/6360187 >>> f/attachment.html> >>> _______________________________________________ >>> Mikrotik mailing list >>> Mikrotik@mail.butchevans.com >>> http://www.butchevans.com/mailman/listinfo/mikrotik >>> >>> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik >>> RouterOS >> >> _______________________________________________ >> Mikrotik mailing list >> Mikrotik@mail.butchevans.com >> http://www.butchevans.com/mailman/listinfo/mikrotik >> >> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://www.butchevans.com/pipermail/mikrotik/attachments/20100513/14af5fb1/attachment.html> > _______________________________________________ > Mikrotik mailing list > Mikrotik@mail.butchevans.com > http://www.butchevans.com/mailman/listinfo/mikrotik > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS > _______________________________________________ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
