Topic: General questions and talk about sending mail via residential IP

[Agent86]

Hi
Subject:
Gateway setup used as a webserver and mail server behind the verizon router

Things are working so I have no problem to solve here but mostly looking for help to understand more about ports and DNS records

Is there any other options for sending mail if port 25 is blocked, other then making changes to the email delivery section in server-manager ? If so then how ?
 
Can you you use the DNS records to send mail via port 587 instead of making changes to the SME email delivery settings ?

There could be a quota conflict when sending larger files via verizon delivery and I assume it will not match the file size limits I have setup on the server ?

Any information or links on these subjects would be greatly appreciated.
Thanks

[CharlieBrady]

Is there any other options for sending mail if port 25 is blocked, other then making changes to the email delivery section in server-manager ?

No.

Can you you use the DNS records to send mail via port 587 instead of making changes to the SME email delivery settings ?

No. You can send to port 587 at your ISP if your ISP accepts mail at that port - use the server-manager to configure. If you don't configure SmartHost, SME server delivers directly to servers indentified by MX records in DNS, on port 25 - there is no way for MX records to list alternative ports.

There could be a quota conflict when sending larger files via verizon delivery

You'll have to ask verizon if they have a quota or message size limits.

... and I assume it will not match the file size limits I have setup on the server ?

The limits you have set on the server only apply to what your server will accept. It has nothing to do with what Verizon will accept. They may have no limit, a smaller limit or a higher limit.

[beakersloco]

Do you have a static IP ? If not then you will need to setup an account at http://www.dyndns.com so that your pc will report everytime your ip changes. Even if you do have a static ip I would recommend setting up an account as it will make receiving emails easier using a dns name instead of using an ip. I would recommend removing the router from your setup as it will make things a bit easier and you wont have to play around with forwarding ports.

My setup is like this :

DSL Modem >>>>SME Server >>>>Switch >>>Computers,wireless router

I have had this setup and working for the past 7 years, running on a DSL connection and I dont have any issues with blocked ports. The problem that I do have and that you may have is that because I dont have a static ip many email servers block emails coming me because my ip comes from a known DHCP range of IPs. So keep  this in mind if you are not static you may have issues with people receiving what you send.   

Removing the verizon router will make things easier then you will need to bridge the modem so that your sme server will get the external ip address making it easier for you to send/receive emails using the domain name you get from dyndns. This way every time your ip changes its instantly reported to dyndns. You can contact verizon and they should be able to walk you thru how to bridge the modem. They may give you some flack and may not want to help you (Everytime I get a new modem I go thru this with my isp and normally on my 2nd or 3rd call I get someone that will help me). You should also be able to find this info online by googling your modem model if the wont help you.

Hope this helps.

[tomsmsp]

Then after ddclient or whatever works ... the issue of residential dynamic IP sourced email being thrown out by many mailservers even if it changes and sticks like clockwork.  Gettin tougher to do w/o a static IP day by day it seems.

The two big ISP's cost around 70.00 month for biz internet.  I'm shopping for it atm.