On port 25, for SMTP outbound, yes. ISPs will arbitrarily decide to
block it on your WAN port they provide, but I've never heard of them
blocking POP3 for INBOUND email, or port 110.
Sounds more like a firewall problem.
You can also try opening a command window and at the C:\> prompt type
telnet 123.123.123.123 110 <press enter>
Of course, replace the 123.123.123.123 with the appropriate IP address
for the POP3 server. If you don't have the IP for the pop3 server, you
can replace the IP address with the web URL for the POP3 server...i.e.,
"pop.emailserver.com" or whatever their email server is.
telnet pop.emailserver.com 110
Note the space both in front and at the end of the URL (before the 110).
If you're running Windows 7, telnet may not have been installed (in the
vast Wizdum of Microsoft, they decided it wasn't essential.)
If you are successful (you get a prompt back) then you'll know it's not
a port blockage issue. You can replace the 110 with 25 to test the SMTP
(OUTBOUND) port connection.
Mike
-------- Original Message --------
Subject: Re: [NF] all of a sudden pop3 not working, client losing mind
From: Kevin Cully <[email protected]>
To: [email protected]
Date: 9/13/2012 1:19 PM
Hello Michael.
I've seen this before. The ISP will change the restrictions on ports
used by spammers. Without notice. This will include the common email
ports.
Ask him who his ISP is at home and who the ISP is at work. Of course,
even if it's the same provider, they still may have blocked it if he's
using different services.
Check out using alternate ports such as the SSL ports and see if that
helps. It may take a call to the ISP ... if I'm on the right track.
Also confirm that he can login and send mail from the webmail
interface. This ensures that his account and passwords are working
properly.
Very frustrating indeed.
-Kevin
On 09/13/2012 12:56 PM, Michael Madigan wrote:
> All of a sudden my client's pop3 isn't working, and client is losing his mind.
>
> I changed the router to open up a users port 25 for a new user on the system,
> and coincidentally his incoming email doesn't work.
>
> So I set his router back to the way it was, even though I've never blocked
> Pop3 ever, and it still doesn't work.
>
>
> What are some things that can affect pop3? He says he can get the email
> when he takes his laptop home, but not at the office.
>
[excessive quoting removed by server]
_______________________________________________
Post Messages to: [email protected]
Subscription Maintenance: http://leafe.com/mailman/listinfo/profox
OT-free version of this list: http://leafe.com/mailman/listinfo/profoxtech
Searchable Archive: http://leafe.com/archives/search/profox
This message:
http://leafe.com/archives/byMID/profox/[email protected]
** All postings, unless explicitly stated otherwise, are the opinions of the
author, and do not constitute legal or medical advice. This statement is added
to the messages for those lawyers who are too stupid to see the obvious.
