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EXIM Settings For United States POP/SMTP Users

Posted: Fri May 09, 2014 8:16 pm
by nightstryke
This is for if your using ubuntu/debian.

Open: /etc/exim4/dnsbl.conf

Find:

Code: Select all

bl.spamcop.net
zen.spamhaus.org
Change-To:

Code: Select all

bl.spamcop.net
Reasoning/Issue:
The reason by this is, if you're on a United States ISP and sending mail from your home or office to your web server located elsewhere you will get an SMTP rejected incorrect greeting. This is because whether it's a business or residential email account all United States ISPs disallow and purposely list all Customer IPs on the Spamhaus PBL regardless of SPAM or not. This is done to keep the user from running an email server at home but it will also stop Exchange, Outlook, or Thunderbird users from connecting to their email servers hosted elsewhere and sending email through them. So the only workaround is to remove spamhaus from the dnsbl.conf unfortunately, if there was another less strict service i would recommend them instead of Spamhaus.