my ISP is Blocking port 25 what do i do?

[Carmine782]

Good Evening Everyone, I have a website for my business, and i have an
email for my business which is
info@(Mywebsite) , but ever since my ISP starting blocking port 25, i
cant send messages using outlook with my Info@(Mywebsite) address,
anyone know how to get around this? my ISP is comcast.

Thanks!
Carmine

 

[Roady [MVP]]

Contact Comcast and ask why they are blocking that port. Surely you are
allowed to use their SMTP server?

 

[VanguardLH]

in message

Good Evening Everyone, I have a website for my business, and i have
an
email for my business which is
info@(Mywebsite) , but ever since my ISP starting blocking port 25,
i
cant send messages using outlook with my Info@(Mywebsite) address,
anyone know how to get around this? my ISP is comcast.

- Stop violating the TOS at Comcast for a *personal* account. Notice
their TOS says that their customers are NOT allowed to run any public
servers. That means you don't get to run your own SMTP server. It
means that you don't get to spew tons of spam, er, bulk mail through
their SMTP server. It also means that you are not allowed to run a
publicly accessible web server as you are expected to use THEIR server
host for your *personal* web pages. Upgrade to a business account.

- If you are running a business then look into webhosting.
www.1and1.com is pretty cheap starting at $3.99/month. There are tons
of webhost providers. It's probably a LOT cheaper than getting a
business account at Comcast.

Because of your bulk mail, you've managed to get onto several public
blacklists. Go to dnsstuff.com to do the spam database lookup on
24.12.61.100 (which is the IP with which you posted here and is
probably the same host/router you use at home). Senderbase.org also
shows you have higher volume than for a *personal* account.

 

[N. Miller]

Good Evening Everyone, I have a website for my business, and i have an
email for my business which is
info@(Mywebsite) , but ever since my ISP starting blocking port 25, i
cant send messages using outlook with my Info@(Mywebsite) address,
anyone know how to get around this? my ISP is comcast.

If you are sending as much as 200 emails per hour from your Comcast IP
connection, they will cut off port 25 access. There are a number of options.
If you are sending large quantities of email, you need to get hosting from
another provider than Comcast. If you were cut off for being infected with a
spam 'bot, just use 'smtp.comcast.net:587', per the instructions on their
site:

http://www.comcast.net/help/faq/index.jsp?faq=EmailOutlook_Express17739

 

[N. Miller]

Contact Comcast and ask why they are blocking that port. Surely you are
allowed to use their SMTP server?

A number of Comcast users have been told, by Comcast, to use port 587
instead of port 25.

 

[Carmine782]

If you are sending as much as 200 emails per hour from your Comcast IP
connection, they will cut offport25access. There are a number of options.
If you are sending large quantities of email, you need to get hosting from
another provider than Comcast. If you were cut off for being infected witha
spam 'bot, just use 'smtp.comcast.net:587', per the instructions on their
site:

http://www.comcast.net/help/faq/index.jsp?faq=EmailOutlook_Express17739

I am not sending 200 emails an hour, im not even sending 200 emails in
6 months. and port 587 works for my comcast email, but not for my
business website's email, and i am using a web hosting service to host
my website. and that email is info@(mywebsite).com , thats the email
that i cant get to work because comcast is blocking port 25.

 

[Milly Staples [MVP - Outlook]]

Then your issue is between Comcast and your business hosting provider.

--
Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact. All
unsolicited mail sent to my personal account will be deleted without
reading.

After furious head scratching, Carmine782 asked:

|| On Fri, 28 Dec 2007 14:54:23 -0800 (PST), Carmine782 wrote:
||| Good Evening Everyone, I have a website for my business, and i have
||| an email for my business which is
||| info@(Mywebsite) , but ever since my ISP startingblockingport25, i
||| cant send messages using outlook with my Info@(Mywebsite) address,
||| anyone know how to get around this? my ISP is comcast.
||
|| If you are sending as much as 200 emails per hour from your Comcast
|| IP connection, they will cut offport25access. There are a number of
|| options. If you are sending large quantities of email, you need to
|| get hosting from another provider than Comcast. If you were cut off
|| for being infected with a spam 'bot, just use
|| 'smtp.comcast.net:587', per the instructions on their site:
||
|| http://www.comcast.net/help/faq/index.jsp?faq=EmailOutlook_Express17739
||
|| --
|| Norman
|| ~Oh Lord, why have you come
|| ~To Konnyu, with the Lion and the Drum
|
| I am not sending 200 emails an hour, im not even sending 200 emails in
| 6 months. and port 587 works for my comcast email, but not for my
| business website's email, and i am using a web hosting service to host
| my website. and that email is info@(mywebsite).com , thats the email
| that i cant get to work because comcast is blocking port 25.

 

[VanguardLH]

in message

I am not sending 200 emails an hour, im not even sending 200 emails in
6 months. and port 587 works for my comcast email, but not for my
business website's email, and i am using a web hosting service to host
my website. and that email is info@(mywebsite).com , thats the email
that i cant get to work because comcast is blocking port 25.



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I am *guessing* that "for my business website's email" really means
you are trying to use your webhoster's SMTP server instead of
Comcast's.

So maybe the problem is not with Comcast blocking port 25. Maybe the
issue is that you need to authenticate to the off-domain SMTP server.
You are on Comcast. That's your domain. When you attempt to use your
webhoster's SMTP server, you are coming from off their domain. To
prevent spam abuse (by hiding behind another domain) and to ensure
that you have permission to use their resources (since you aren't
their domain as a local customers to verify that), they may require
you to login to their SMTP server for off-domain connections. In the
e-mail account defined within Outlook, authorize to their SMTP server.

For info on off-domain port 25 (SMTP) traffic blocked to thwart spam
from spamming or infected customers, read:

http://www.commercestreet.com/Blocking_Port_25.htm
http://help.yahoo.com/help/us/mail/pop/pop-38.html

http://www.postcastserver.com/help/Port_25_Blocking.aspx
http://www.aota.net/Troubleshooting/port25.php4
http://www.spamhaus.org/faq/answers.lasso?section=ISP Spam Issues...
http://www.findarticles.com/p/articles/mi_zdewk/is_200406/ai_ziff129473

http://www.google.com/search?q=+block++"port+25"++SMTP++spam