Comcast blocks 25. There's no reason to have it open when port 587 is widely supported. Your users should be on ssl anyways, just tell them it's not encrypted and if they encrypt then it solves their problem and they add security win win.
Justin Miller VA SkyWire, LLC 1707 E Main St Richmond, VA 23223 Office: (804) 521-4212 Desk: (804) 591-0500 ext 101 Fax: (804) 591-1559 [email protected] The information contained in this electronic message from VA SkyWire, LLC is privileged, confidential, or otherwise protected from disclosure. It is intended only for the use of the individual or entity named above. If you are the intended recipient of this message, you are hereby notified that you may not forward, distribute, copy or disclose the contents of this email without notifying the sender of this email. If you are not the named addressee, then any disclosure, copying, publication, distribution, or other use of the contents of this electronic message is strictly prohibited.. If you have received this communication in error, please notify Scott Coonfield at (804) 521-4212 or by return e-mail to [email protected], and purge the communication immediately without making any copy or distribution. Thank You. > On Dec 20, 2014, at 5:51 PM, Daniel Biland <[email protected]> wrote: > > Just for an input > here in mexico the biggest internet provider.. telmex (the owner is one of > the richest man in the world) has port 25 blocked since years > > Daniel > > Gesendet mit AquaMail für Android > http://www.aqua-mail.com > > Am 18. Dezember 2014 22:23:24 schrieb Adair Winter > <[email protected]>: > >> You'll find some user somewhere who is still configured to send mail to a >> mail server on port 25. >> >> On Dec 18, 2014 10:17 PM, "Mike Hammett" <[email protected]> wrote: >>> If you don't have mail servers then who cares? >>> >>> That said, unless a customer has a mail server, they should not be sending >>> anything out on port 25. Block 'em all. >>> >>> >>> >>> ----- >>> Mike Hammett >>> Intelligent Computing Solutions >>> http://www.ics-il.com >>> >>> >>> >>> From: "RickG" <[email protected]> >>> To: "Mikrotik Users" <[email protected]> >>> Sent: Thursday, December 18, 2014 10:09:36 PM >>> Subject: Re: [Mikrotik Users] block port 25? >>> >>> I dont have mail servers (thank God!). However, my IP addys continue to get >>> blacklisted. I assume it's due to my subscriber's computers having trojans. >>> Looking for suggestions on how to handle. >>> >>>> On Thu, Dec 18, 2014 at 11:38 AM, Mike Hammett <[email protected]> >>>> wrote: >>>> Main IP? >>>> >>>> My mail servers get blacklisted once or twice a year due to compromised >>>> user credentials, but those are the only ones I care about. >>>> >>>> >>>> >>>> ----- >>>> Mike Hammett >>>> Intelligent Computing Solutions >>>> http://www.ics-il.com >>>> >>>> >>>> >>>> From: "RickG" <[email protected]> >>>> To: "Mikrotik Users" <[email protected]> >>>> Sent: Thursday, December 18, 2014 10:35:04 AM >>>> Subject: [Mikrotik Users] block port 25? >>>> >>>>> Folks, I'm tired of dealing with my main IP being blacklisted for SPAM by >>>>> certain users. Is it worth blocking port 25 anymore or is that old news? >>>> -- >>>> -RickG KyWiFi >>>> >>>> _______________________________________________ >>>> Mikrotik-users mailing list >>>> [email protected] >>>> http://lists.wispa.org/mailman/listinfo/mikrotik-users >>>> >>>> >>>> _______________________________________________ >>>> Mikrotik-users mailing list >>>> [email protected] >>>> http://lists.wispa.org/mailman/listinfo/mikrotik-users >>> >>> >>> -- >>> -RickG KyWiFi >>> >>> _______________________________________________ >>> Mikrotik-users mailing list >>> [email protected] >>> http://lists.wispa.org/mailman/listinfo/mikrotik-users >>> >>> >>> _______________________________________________ >>> Mikrotik-users mailing list >>> [email protected] >>> http://lists.wispa.org/mailman/listinfo/mikrotik-users >> _______________________________________________ >> Mikrotik-users mailing list >> [email protected] >> http://lists.wispa.org/mailman/listinfo/mikrotik-users > _______________________________________________ > Mikrotik-users mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/mikrotik-users
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