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<h1>E-Mail Blacklist Issues</h1>
<p>Because SDF is a public unix, there are many users, and many emails being sent.</p>
<p>Sometimes, some users can get SDF into trouble with their actions, unintentional or not. When this happens,
you may not be able to send emails to people at some other Internet Service Providers. You may get emails with
subject <em>Returned mail: see transcript for details</em> including error message like the
following after sending mail to these correspondees:
<ul>
<li>(reason: 550 5.7.1 Unfortunately, messages from [205.166.94.20] weren't sent. Please contact
your Internet se...ail.live.com/mail/troubleshooting.aspx#errors.</li>
<li>421 4.7.0 [TSS04] Messages from 205.166.94.20 temporarily deferred due to user complaints -
4.16.55.1; see https://help.yahoo.com/kb/postmaster/SLN3434.html.. Deferred: 421 4.7.0 [TSS04] Messages
from 205.166.94.20 temporarily deferred due to user complaints - 4.16.55.1; see
https://help.yahoo.com/kb/postmaster/SLN3434.html</li>
<li>The following addresses had permanent fatal errors... (reason: 554 resimta-ch2-19v.sys.comcast.net resimta-ch2-19v.sys.comcast.net 205.166.94.20 found on
one or more DNSBLs, see http://postmaster.comcast.net/smtp-error-codes.php#BL001000)</li>
</ul>
<p>If this happens, aside from contacting <em>membership</em> on <a
href="http://sdf.org/?tutorials/bboard-tutorial">bboard</a> <em>REQUESTS</em>, you can also try to get SDF off
the
blacklist for your emails to your correspondee.</p>
<p>Fill out forms for the following ISPs. <em>you may need to create an account of your own on the target ISP so
you will also be a customer</em>. You should go ahead and represent yourself as a representative of SDF.
<p>Stuff to know:
<ul>
<li>SDF server mail IP = <strong>205.166.94.20</strong></li>
<li>SDF mail server IP = <strong>mx.sdf.org</strong></li>
<li>SDF mail reverse DNS = <strong>mx.sdf.org</strong></li>
<li>SDF mail contact, <em>you</em> and/or membership@sdf.org</li>
</ul>
<h2> List of Forms and Related pages for major ISPs that may block SDF mail</h2>
<ul>
<li>yahoo uses spamhaus, apparently, so you can use yahoo's request page, and also Spamhaus
<ul>
<li>yahoo: here's a guide on <a
href="https://www.rackaid.com/blog/how-to-remove-your-email-server-from-yahoos-blacklist/">how
to fill out Yahoo's bulk email sender form</a> (even if you are just a regular emailing schlub).
<a
href="http://help.yahoo.com/l/us/yahoo/mail/postmaster/bulkv2.html">Yahoo! Bulk Email
Sender Form</a></li>
<li>another customer contact form
<a
href="https://io.help.yahoo.com/contact/index?page=contactform&locale=en_US&token=Zh/BBVqXzLHlIbokbUqVWTUbuuQeXGkGnZzhKR2JQ4O6mMQdy9JSWdtWFXvjthcYCRj9bUIFfycOfG+4GOHPHoOGa8HwDO2+0kYRtTcdR8O13Mvs9cOruJ0TlC3hh4bCEtPlZ0yk7fvp1MFjGnAOWw==&selectedChannel=email-icon&isVip=false">https://io.help.yahoo.com/contact/index?page=contactform&locale=en_US...</a></li>
<li>spamhaus <a
href="https://www.spamhaus.org/lookup/">https://www.spamhaus.org/lookup/</a></li>
</ul>
<li>outlook <a
href="https://support.microsoft.com/en-us/supportrequestform/8ad563e3-288e-2a61-8122-3ba03d6b8d75">https://support.microsoft.com/en-us/supportrequestform/8ad563e3-288e-2a61-8122-3ba03d6b8d75</a></li>
<li>comcast <a href="https://abuse.vadesecure.com/">https://abuse.vadesecure.com/</a></li>
</ul>
Other items to check out:
<ul>
<li>for outlook <a
href="https://sendersupport.olc.protection.outlook.com/snds/JMRP.aspx?wa=wsignin1.0">sender support link</a>
<li><a href="http://mailspike.org/iplookup.html">mailspike.org</a> maybe related to Comcast
<li><a href="https://support.proofpoint.com/dnsbl-lookup.cgi?ip=205.166.94.20">Proofpoint</a> - they fix
stuff
for some ISPs, maybe Apple?</li>
<li><a href="https://support.google.com/mail/troubleshooter/2696779?hl=en">https://support.google.com/mail/troubleshooter/2696779?hl=en</a> - Google Gmail blacklist removal request</li>
<li><a
href="https://talosintelligence.com/reputation_center/lookup?search=205.166.94.20">https://talosintelligence.com/reputation_center/lookup?search=205.166.94.20</a> - Talos Intelligience Reputation Look up. Requires a "CISCO" login to dispute reputation.</li>
</ul>
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