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Nairaland Forum / Science/Technology / Webmasters / SMTP Server: How Do I Unblock A Blacklisted IP Address? (21862 Views)
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SMTP Server: How Do I Unblock A Blacklisted IP Address? by phantomcat(m): 9:42am On Mar 16, 2006 |
My mailserver got into the list of blacklisted IPs when hacker took over my mailserver. It was routing 100 mails per min over the weekend. By the time i got it patched up and back on the net i could not send mails to Yahoo and some other porpular mailservers. Please how can i remove the Ip address from the list of blacklisted IPs? |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by alexis(m): 12:38am On Mar 25, 2006 |
go to www.dnsstuff.com and do a spam database lookup with your mail server IP, it will list all anti-spam servers that have black-listed your server. You will have to email all those guys and convince them that the issue has been solved. For yahoo and hotmail and other big webmail companies - you will have to do the same but they will ask you for detailed information. Another simple way to solve the whole problem is to get a new public mail server IP (Hope your ISP can spare this), also hope that your class hasn't been blocked. |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by phantomcat(m): 7:40am On Mar 25, 2006 |
thanks alexis i will do just that |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by alexis(m): 3:11pm On Mar 26, 2006 |
you are welcome. By the way - what email server are you running? 1 Like |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by oasis: 12:00am On Mar 28, 2006 |
you are welcome. By the way - what email server are you running? Good question. If you're running sendmail, you need to move to qmail, for the high security it provides by default. You must configure the server such that no relaying is possible for unauthorized sites. Getting out of spam lists is not trivial. You're better off just getting a new ip. Yahoo for example will call you up and ask you a very long list of questions. You'll need your mail server log for that period when the incident occured. Let us know how it goes. |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by phantomcat(m): 1:10pm On Mar 28, 2006 |
i am using sendmail at the moment. never used qmail befor. but i will try it sometime. if it get too tedious maybe i would use a new ip. thanks guys |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by alexis(m): 2:28pm On Mar 28, 2006 |
Well - it always depends on the business case in which you are running your email server for - it is a company with a few users? or are you running a server serving over 500 active users like myself? Qmail is rock solid, secure and more stable than sendmail but you can lock sendmail down pretty well if you have the time and you are willing to learn. Qmail is designed to run in environments that have alot of users i.e gmail and yahoo runs qmail. You can try out postfix or exim or if you are not too comfortable with unix. You can use Hmail Server - it's a free windows opensource email server - I will advise you run it if your email server connects to your main pop server and pull your emails. You can run it as an external mail server but you know how windows is. I have ran it on a public IP before but I locked down the server like mad and checked it every single day - the wahala was just too much. |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by 9ja4eva: 1:06pm On Aug 22, 2009 |
Great |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by yawatide(f): 6:16pm On Aug 22, 2009 |
Of course, fortify yourself (by that I mean, email server, find out how the hackers were able to gain access to your server so as to know what to do to prevent a future attack, etc) so that you don't have to go through all this again. I would probably die if I were ever blocked Good luck! |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by Nobody: 7:26pm On Aug 22, 2009 |
mehn, dis one na long thing o |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by jmslimx(m): 9:06am On Aug 23, 2009 |
Getting access to your Mail server is when you have some default user name and password, well no system is secured on earth, just do your best |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by hughesey: 9:41am On Feb 12, 2010 |
You can check if your mail server is blocked using the spam database lookup thing at http://www.viewdns.info It looks it up on over 30 different blacklists. |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by Dokki: 4:12am On Feb 23, 2010 |
Another thing you might want to do in the meantime while you are "hardening" or securing your server is limit the amount of mail that can be sent out by any account in an hour, drop this down to like 100 and also not to allow the "nobody" account to send email off your server. This may piss off a few of your clients however it is for your own good - as you will find out in your journey to remove your server from blacklists. Good Luck! D |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by oaklandm: 6:48am On Mar 11, 2011 |
how do i configure AMS 4.3? |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by feswhole: 11:05am On Apr 06, 2012 |
Go to http://privatetools.net bulletproof hosted smtp servers that go pass any ip blocks, smtp accounts, php mailer, Rdp, email list,Fax blast, fax numbers and more...
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Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by feswhole: 11:06am On Apr 06, 2012 |
Go to http://privatetools.net bulletproof hosted smtp servers that go pass any ip blocks works easy with AMS and all other bulk mailers, smtp accounts, php mailer, Rdp, email list,Fax blast, fax numbers and more...
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Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by mrperfect(m): 12:47pm On Apr 06, 2012 |
As far as isn't something that happens steady, you have resolve that, it wil be unblock in few days. |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by Nobody: 8:03am On Jul 22, 2012 |
Nice tread |
Re: SMTP Server: How Do I Unblock A Blacklisted IP Address? by Th0mas: 4:46pm On Nov 12, 2013 |
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