<html> <head> <title>Exim FAQ: KWIC index section B</title> </head> <body bgcolor="#F8F8F8" text="#00005A" link="#0066FF" alink="#0066FF" vlink="#000099"> <h1>Exim FAQ: Keyword-in-context index</h1> <p> <a href="FAQ-KWIC_A.html"> A</a> <font size=7 color="#FF0A0A"><b>B</b></font> <a href="FAQ-KWIC_C.html"> C</a><a href="FAQ-KWIC_D.html"> D</a><a href="FAQ-KWIC_E.html"> E</a><a href="FAQ-KWIC_F.html"> F</a><a href="FAQ-KWIC_G.html"> G</a><a href="FAQ-KWIC_H.html"> H</a><a href="FAQ-KWIC_I.html"> I</a><a href="FAQ-KWIC_K.html"> K</a><a href="FAQ-KWIC_L.html"> L</a><a href="FAQ-KWIC_M.html"> M</a><a href="FAQ-KWIC_N.html"> N</a><a href="FAQ-KWIC_O.html"> O</a><a href="FAQ-KWIC_P.html"> P</a><a href="FAQ-KWIC_Q.html"> Q</a><a href="FAQ-KWIC_R.html"> R</a><a href="FAQ-KWIC_S.html"> S</a><a href="FAQ-KWIC_T.html"> T</a><a href="FAQ-KWIC_U.html"> U</a><a href="FAQ-KWIC_V.html"> V</a><a href="FAQ-KWIC_W.html"> W</a><a href="FAQ-KWIC_X.html"> X</a><a href="FAQ-KWIC_Y.html"> Y</a><a href="FAQ-KWIC_Z.html"> Z</a> <a href="FAQ.html#TOC">FAQ Contents</a> </p> <table border> <tr> <td align="right"><a name="TOC20" href="FAQ_0.html#TOC20">Q0020</a>: ... connections to my machine's SMTP port take a long time to respond with the </td> <td align="left"><font color="#FF0A0A">banner</font>, when connections to other ports respond instantly? The delay is sometimes...</td> </tr> <tr> <td align="right"><a name="TOC339" href="FAQ_19.html#TOC339">Q5004</a>: I've recently noticed that emails I send with a </td> <td align="left"><i><font color="#FF0A0A">Bcc</font>:</i> line are being delivered to their final destination with the <i>Bcc:</i> line...</td> </tr> <tr> <td align="right"><a name="TOC24" href="FAQ_0.html#TOC24">Q0024</a>: When I run <tt>exim </tt></td> <td align="left"><tt><font color="#FF0A0A">-bd</font> -q10m</tt> I get <i>PANIC LOG: exec of exim -q failed</i>. </td> </tr> <tr> <td align="right"><a name="TOC62" href="FAQ_0.html#TOC62">Q0062</a>: When I try to start an Exim daemon with </td> <td align="left"><b><font color="#FF0A0A">-bd</font></b> it crashes. I ran a debugger and discovered that the crash is happening in the...</td> </tr> <tr> <td align="right"><a name="TOC235" href="FAQ_7.html#TOC235">Q0702</a>: I don't want to block spam entirely; how can I inspect each message </td> <td align="left"><font color="#FF0A0A">before</font> deciding whether or not to deliver it? </td> </tr> <tr> <td align="right"><a name="TOC246" href="FAQ_7.html#TOC246">Q0713</a>: I'd like to pass all messages through a virus-scanning system </td> <td align="left"><font color="#FF0A0A">before</font> delivery. Can Exim do this? </td> </tr> <tr> <td align="right"><a name="TOC254" href="FAQ_7.html#TOC254">Q0721</a>: I have POP-</td> <td align="left"><font color="#FF0A0A">before</font>-SMTP set up on my Exim server, but some clients use Outlook Express, which...</td> </tr> <tr> <td align="right"><a name="TOC59" href="FAQ_0.html#TOC59">Q0059</a>: When my Outlook Express 6.0 client sends a STARTTLS command to </td> <td align="left"><font color="#FF0A0A">begin</font> a TLS session, Exim doesn't seem to receive it. The Outlook log shows...</td> </tr> <tr> <td align="right"><a name="TOC328" href="FAQ_17.html#TOC328">Q1704</a>: When my Outlook Express 6.0 client sends a STARTTLS command to </td> <td align="left"><font color="#FF0A0A">begin</font> a TLS session, Exim doesn't seem to receive it. </td> </tr> <tr> <td align="right"><a name="TOC95" href="FAQ_1.html#TOC95">Q0102</a>: I can't get Exim to compile with </td> <td align="left"><font color="#FF0A0A">Berkeley</font> DB version 2.x or 3.x. </td> </tr> <tr> <td align="right"><a name="TOC109" href="FAQ_1.html#TOC109">Q0116</a>: I have tried to build Exim with </td> <td align="left"><font color="#FF0A0A">Berkeley</font> DB 3 and 4, but I always get errors. </td> </tr> <tr> <td align="right"><a name="TOC390" href="FAQ_25.html#TOC390">Q9607</a>: I'm having difficulties trying to make Exim 4 with Redhat 9 and </td> <td align="left"><font color="#FF0A0A">Berkeley</font> DB 4. </td> </tr> <tr> <td align="right"><a name="TOC51" href="FAQ_0.html#TOC51">Q0051</a>: When I test my system filter with </td> <td align="left"><b><font color="#FF0A0A">-bf</font></b>, I get the error <i>filtering command "fail" is disabled</i>. Why is this? </td> </tr> <tr> <td align="right"><a name="TOC370" href="FAQ_19.html#TOC370">Q5035</a>: Does Exim run with different permissions between <b>-bt</b> and </td> <td align="left"><b><font color="#FF0A0A">-bh</font></b>, or between verifying and actual sending? </td> </tr> <tr> <td align="right"><a name="TOC81" href="FAQ_0.html#TOC81">Q0081</a>: What does <i>error in redirect data: included file xxxx is too </i></td> <td align="left"><i><font color="#FF0A0A">big</font></i> mean? </td> </tr> <tr> <td align="right"><a name="TOC133" href="FAQ_3.html#TOC133">Q0310</a>: If a DNS lookup returns no MX records why doesn't Exim just </td> <td align="left"><font color="#FF0A0A">bin</font> the message? </td> </tr> <tr> <td align="right"><a name="TOC221" href="FAQ_6.html#TOC221">Q0624</a>: Sendmail has a program called <i>smrsh</i> that restricts what </td> <td align="left"><font color="#FF0A0A">binaries</font> can be run from sendmail aliases. Is there something like this in Exim...</td> </tr> <tr> <td align="right"><a name="TOC34" href="FAQ_0.html#TOC34">Q0034</a>: Exim works fine on one host, but when I copied the </td> <td align="left"><font color="#FF0A0A">binary</font> to another identical host, it stopped working (it could not resolve DNS...</td> </tr> <tr> <td align="right"><a name="TOC363" href="FAQ_19.html#TOC363">Q5028</a>: ... table changes from <i>/usr/lib/sendmail</i> (which is a symlink) to the real </td> <td align="left"><font color="#FF0A0A">binary</font> name. Can I change this? </td> </tr> <tr> <td align="right"><a name="TOC374" href="FAQ_21.html#TOC374">Q9201</a>: ... is a symbolic link to <i>/usr/sbin/mailwrapper</i>; it doesn't contain the Sendmail </td> <td align="left"><font color="#FF0A0A">binary</font>. How should I replace Sendmail with Exim on FreeBSD? </td> </tr> <tr> <td align="right"><a name="TOC15" href="FAQ_0.html#TOC15">Q0015</a>: What does the message <i>Socket </i></td> <td align="left"><i><font color="#FF0A0A">bind</font>() to port 25 for address (any) failed: address already in use</i> mean? </td> </tr> <tr> <td align="right"><a name="TOC237" href="FAQ_7.html#TOC237">Q0704</a>: How can I test that Exim is correctly configured to use a DNS </td> <td align="left"><font color="#FF0A0A">black</font> list such as the Realtime Blackhole List (RBL)? </td> </tr> <tr> <td align="right"><a name="TOC266" href="FAQ_7.html#TOC266">Q0733</a>: ... there any way to tell Exim not to lookup the IP address against any DNS </td> <td align="left"><font color="#FF0A0A">black</font> list if the connection is over IPv6? </td> </tr> <tr> <td align="right"><a name="TOC237" href="FAQ_7.html#TOC237">Q0704</a>: ... is correctly configured to use a DNS black list such as the Realtime </td> <td align="left"><font color="#FF0A0A">Blackhole</font> List (RBL)? </td> </tr> <tr> <td align="right"><a name="TOC340" href="FAQ_19.html#TOC340">Q5005</a>: ... (<i>ghostview</i>) to try printing <i>spec.ps</i>. After every printed page, the printer ejects a </td> <td align="left"><font color="#FF0A0A">blank</font> sheet. Is this something to do with using “letter” rather than...</td> </tr> <tr> <td align="right"><a name="TOC191" href="FAQ_5.html#TOC191">Q0509</a>: How can I set up a filter file to detect and </td> <td align="left"><font color="#FF0A0A">block</font> virus attachments? </td> </tr> <tr> <td align="right"><a name="TOC234" href="FAQ_7.html#TOC234">Q0701</a>: How do I </td> <td align="left"><font color="#FF0A0A">block</font> unwanted messages from outside my host? </td> </tr> <tr> <td align="right"><a name="TOC235" href="FAQ_7.html#TOC235">Q0702</a>: I don't want to </td> <td align="left"><font color="#FF0A0A">block</font> spam entirely; how can I inspect each message before deciding whether...</td> </tr> <tr> <td align="right"><a name="TOC268" href="FAQ_7.html#TOC268">Q0735</a>: How can I </td> <td align="left"><font color="#FF0A0A">block</font> non-FQDNs in HELO/EHLOs? </td> </tr> <tr> <td align="right"><a name="TOC50" href="FAQ_0.html#TOC50">Q0050</a>: ... from a customer who uses my Exim server for relaying that they are being </td> <td align="left"><font color="#FF0A0A">blocked</font> with a <i>Too many connections</i> error. </td> </tr> <tr> <td align="right"><a name="TOC236" href="FAQ_7.html#TOC236">Q0703</a>: How can I test that my spam </td> <td align="left"><font color="#FF0A0A">blocks</font> are working? </td> </tr> <tr> <td align="right"><a name="TOC415" href="FAQ_27.html#TOC415">Q9812</a>: ... data from a single file using both single IP addresses and IP address </td> <td align="left"><font color="#FF0A0A">blocks</font> as keys? I want to set <tt>smtp_accept_max_per_host</tt> by this means, and also...</td> </tr> <tr> <td align="right"><a name="TOC203" href="FAQ_6.html#TOC203">Q0606</a>: ... <tt>use_crlf</tt> option on the <b>pipe</b> transport (tmail prefers <tt>\r\n</tt> terminations) message </td> <td align="left"><font color="#FF0A0A">bodies</font> started to vanish. </td> </tr> <tr> <td align="right"><a name="TOC57" href="FAQ_0.html#TOC57">Q0057</a>: ... attachments that don't show up as attachments, but are included in the </td> <td align="left"><font color="#FF0A0A">body</font> of the message. </td> </tr> <tr> <td align="right"><a name="TOC40" href="FAQ_0.html#TOC40">Q0040</a>: How can I stop undeliverable </td> <td align="left"><font color="#FF0A0A">bounce</font> messages (e.g. to routeable, but undeliverable, spammer senders) from...</td> </tr> <tr> <td align="right"><a name="TOC42" href="FAQ_0.html#TOC42">Q0042</a>: My ISP's mail server is rejecting </td> <td align="left"><font color="#FF0A0A">bounce</font> messages from Exim, complaining that they have no sender. The SMTP trace does indeed...</td> </tr> <tr> <td align="right"><a name="TOC162" href="FAQ_4.html#TOC162">Q0416</a>: ... quickest way to set up Exim so any message sent to a non-existing user would </td> <td align="left"><font color="#FF0A0A">bounce</font> back with a different message, based on the name of non-existing user?...</td> </tr> <tr> <td align="right"><a name="TOC217" href="FAQ_6.html#TOC217">Q0620</a>: Why does Exim </td> <td align="left"><font color="#FF0A0A">bounce</font> messages without even attempting delivery, giving the error <i>retry time not...</i></td> </tr> <tr> <td align="right"><a name="TOC218" href="FAQ_6.html#TOC218">Q0621</a>: ... <i>.forward</i> file is <tt>|/usr/bin/procmail -f-</tt> and mail gets delivered, but there was a </td> <td align="left"><font color="#FF0A0A">bounce</font> to the sender, sending him the output of procmail. How can I prevent this?...</td> </tr> <tr> <td align="right"><a name="TOC366" href="FAQ_19.html#TOC366">Q5031</a>: Why is there no sender address on </td> <td align="left"><font color="#FF0A0A">bounce</font> messages? It shows up as "<>". </td> </tr> <tr> <td align="right"><a name="TOC359" href="FAQ_19.html#TOC359">Q5024</a>: ... problem that a message gets stuck in the mail queue and I want it to be </td> <td align="left"><font color="#FF0A0A">bounced</font> to a certain address. </td> </tr> <tr> <td align="right"><a name="TOC202" href="FAQ_6.html#TOC202">Q0605</a>: ... mailbox is over quota, is there a way for me to set it up so that the mail </td> <td align="left"><font color="#FF0A0A">bounces</font> to the sender and is not stored in the mail queue? </td> </tr> <tr> <td align="right"><a name="TOC255" href="FAQ_7.html#TOC255">Q0722</a>: I installed Amavis and it is working, but </td> <td align="left"><font color="#FF0A0A">bounces</font> are simply vanishing. </td> </tr> <tr> <td align="right"><a name="TOC362" href="FAQ_19.html#TOC362">Q5027</a>: Is there any way I can send </td> <td align="left"><font color="#FF0A0A">bounces</font> to the postmaster, and nobody else? Basically, I want to receive them,...</td> </tr> <tr> <td align="right"><a name="TOC225" href="FAQ_6.html#TOC225">Q0628</a>: ... meant that Exim should keep trying for four days, but it seems to be </td> <td align="left"><font color="#FF0A0A">bouncing</font> some messages immediately. </td> </tr> <tr> <td align="right"><a name="TOC145" href="FAQ_3.html#TOC145">Q0322</a>: How can I reroute all messages </td> <td align="left"><font color="#FF0A0A">bound</font> for 192.168.10.0 and 10.0.0.0 to a specific mail server? </td> </tr> <tr> <td align="right"><a name="TOC354" href="FAQ_19.html#TOC354">Q5019</a>: I need an option that is the opposite of </td> <td align="left"><b><font color="#FF0A0A">-bpa</font></b>, that is, a listing of those addresses generated from a top-level address...</td> </tr> <tr> <td align="right"><a name="TOC17" href="FAQ_0.html#TOC17">Q0017</a>: ... it fails, giving the error <i>Remote end closed connection after data</i> or </td> <td align="left"><i><font color="#FF0A0A">Broken</font> pipe</i> or a timeout. What's going on? </td> </tr> <tr> <td align="right"><a name="TOC380" href="FAQ_23.html#TOC380">Q9401</a>: On </td> <td align="left"><font color="#FF0A0A">BSDI</font> 4.0, Exim built with Perl support exits with the error message </td> </tr> <tr> <td align="right"><a name="TOC8" href="FAQ_0.html#TOC8">Q0008</a>: If I run <tt>./exim -d </tt></td> <td align="left"><tt><font color="#FF0A0A">-bt</font> user@domain</tt> all seems well, but when I send a message from my User Agent,...</td> </tr> <tr> <td align="right"><a name="TOC370" href="FAQ_19.html#TOC370">Q5035</a>: Does Exim run with different permissions between </td> <td align="left"><b><font color="#FF0A0A">-bt</font></b> and <b>-bh</b>, or between verifying and actual sending? </td> </tr> <tr> <td align="right"><a name="TOC259" href="FAQ_7.html#TOC259">Q0726</a>: My SMTP authentication can be </td> <td align="left"><font color="#FF0A0A">bypassed</font> by sending an unknown user name and an empty password. What is wrong with...</td> </tr> <tr> <td align="right"><a name="TOC47" href="FAQ_0.html#TOC47">Q0047</a>: ... <i>Mailer daemons: exim abandoned: unknown, malformed, or incomplete option </i></td> <td align="left"><i><font color="#FF0A0A">-bz</font> sendmail</i>. 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