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Pacific Supernet blocks port 25 for other SMTP servers


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  #1  
Old 22-08-2007, 09:38 AM
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Pacific Supernet blocks port 25 for other SMTP servers

I dont't want to use Pacific Supernet's SMTP server while being connected through them as an ISP. They block port 25 for other SMTP servers.

The reason: I use my own domain's email address hosted overseas. If I use an SMTP server other than the one of my domain host, many spam filters regard my mails as spam just only for this reason. Any solution.
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  #2  
Old 22-08-2007, 12:48 PM
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Are you sure about the blocking? For example, I use Netvigator's SMTP server for all my emails, and 90% of them are on non-Netvigator domains.

To the best of my knowledge none of my emails has been spam-blocked.

Is Pacific Internet's SMTP server unauthenticated and or open to relaying? If so that might be the reason you are being blocked, not the difference in domains per se.
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  #3  
Old 22-08-2007, 12:54 PM
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Many ISPs block port 25 -- its normal and not unusual at all.
In HonKong, Netvigator (the biggest) blocks 25
In the US, Earthlink (one of the biggest) blocks 25

Ask your webhost about this. As this is such a common things, most providers will open 587 for client authenticated SMTP.

As for the spam comment : Bad/Stupid filters are everywhere -- educating the admins and users can help at times.

HC
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  #4  
Old 22-08-2007, 01:09 PM
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Quote:
Originally Posted by HowardCoombs View Post
Many ISPs block port 25 -- its normal and not unusual at all.
In HonKong, Netvigator (the biggest) blocks 25
In the US, Earthlink (one of the biggest) blocks 25

Ask your webhost about this. As this is such a common things, most providers will open 587 for client authenticated SMTP.

As for the spam comment : Bad/Stupid filters are everywhere -- educating the admins and users can help at times.

HC
I use 587 already for one provider, but for the other it doesn't work unluckily.
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  #5  
Old 07-09-2007, 12:12 PM
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A hint to overcome port blocking

Hi folks,


Just joined this form and found this thread.

It happens that I am running pacific.net.hk as ISP. Most ISPs blocks port 25 and 80, the former being mail port and the latter for https. If you subscribe fixed IP plan you can request pacific.net.hk to uplift port 25 and 80.

For domestic subscribers with dynamic IP pacific.net.hk won't entertain such a request. To overcome the barrier, for mail you can relay their mail server sending emails. For https you can use port 8080.

HTH


B.R.
satimis

Last edited by satimis; 07-09-2007 at 12:18 PM.
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  #6  
Old 07-09-2007, 12:41 PM
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Originally Posted by satimis View Post
It happens that I am running pacific.net.hk as ISP. Most ISPs blocks port 25 and 80, the former being mail port and the latter for https. If you subscribe fixed IP plan you can request pacific.net.hk to uplift port 25 and 80.
Hey champ good job reading, the OP is talking about outgoing ports not incoming.

The standard SSL SMTP port is 465, try that instead of 587.
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  #7  
Old 07-09-2007, 01:13 PM
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Quote:
Originally Posted by MrMoo View Post
Hey champ good job reading, the OP is talking about outgoing ports not incoming.

The standard SSL SMTP port is 465, try that instead of 587.
Hi MrMoo,

Tks for your advice.

While I was running Dynamic IP previously I sent mails via relaying ISP's mail server even port 25 blocked.

I'm now running fixed IP so pacific.net.hk uplift port 25 upon my request.


B.R.
satimis
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  #8  
Old 24-01-2008, 01:10 PM
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Outgoing Server Settings

Hi guys,
I am new to Hong Kong, and it amazes me that in this day and age an ISP has managed to complicate the outgoing server settings beyond the realms of reality!
I appreciate the suggestion to go to NETVIGATOR -- Customer Service and my problems will be solved, I wish it were that simple, I use thunderbird, I enter the famous smtp.netvigator.com in my outgoing server settings, (I even tried ndsmtp.netvigator.com, no use) port 25, with a working user name and password.

All my email is non-netvigator domains and the strange thing is I am receiving all my email from these domains perfectly, its just the sending part that has me snookered, anyone who could shed some light on this for me, it would be much appreciated.
Cheers
Scott
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  #9  
Old 28-01-2008, 03:44 PM
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Your username has to be in the format "abc@netvigator.com" or whatever was assigned to you - preferably the same as your PPoE login.
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