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MS Office Forum / Outlook / General MS Outlook Questions / December 2007my ISP is Blocking port 25 what do i do?
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 Contact Comcast and ask why they are blocking that port. Surely you are allowed to use their SMTP server?  SignatureRobert Sparnaaij [MVP-Outlook] Coauthor, Configuring Microsoft Outlook 2003 http://www.howto-outlook.com/ Outlook FAQ, HowTo, Downloads, Add-Ins and more http://www.msoutlook.info/ Real World Questions, Real World Answers ----- > Good Evening Everyone, I have a website for my business, and i have an > email for my business which is [quoted text clipped - 4 lines] > Thanks! > Carmine > 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. SignatureNorman ~Oh Lord, why have you come ~To Konnyu, with the Lion and the Drum > Good Evening Everyone, I have a website for my business, and i have > an [quoted text clipped - 3 lines] > 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. > 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 SignatureNorman ~Oh Lord, why have you come ~To Konnyu, with the Lion and the Drum > > Good Evening Everyone, I have a website for my business, and i have an > > email for my business which is [quoted text clipped - 15 lines] > ~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. Then your issue is between Comcast and your business hosting provider. SignatureMilly 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: ||| Good Evening Everyone, I have a website for my business, and i have ||| an email for my business which is [quoted text clipped - 21 lines] | my website. and that email is info@(mywebsite).com , thats the email | that i cant get to work because comcast is blocking port 25. 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. --- REPLY SEPARATOR --- (Only required because above poster used QUOTED-PRINTABLE format.) Do not use quoted-printable format. * Not all NNTP clients handle quoted-printable format. * Quoting gets mangled, especially for replies. * No clear delineation between content for poster and respondent. 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%20Spam%20Issues... http://www.findarticles.com/p/articles/mi_zdewk/is_200406/ai_ziff129473 http://www.google.com/search?q=%2Bblock+%2B%22port+25%22+%2BSMTP+%2Bspam |
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