<html> <head> <title>Exim FAQ: KWIC index section N</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><a href="FAQ-KWIC_B.html"> B</a><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> <font size=7 color="#FF0A0A"><b>N</b></font> <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="TOC23" href="FAQ_0.html#TOC23">Q0023</a>: Why is Exim refusing to relay, saying <i>failed to find host </i></td> <td align="left"><i><font color="#FF0A0A">name</font> from IP address</i> when I have the sender's IP address in an ACL condition?...</td> </tr> <tr> <td align="right"><a name="TOC83" href="FAQ_0.html#TOC83">Q0083</a>: Netscape on Unix is sending messages containing an unqualified user </td> <td align="left"><font color="#FF0A0A">name</font> in the <i>Sender:</i> header line, which Exim is rejecting because I have set <tt>verify...</tt></td> </tr> <tr> <td align="right"><a name="TOC85" href="FAQ_0.html#TOC85">Q0085</a>: <i>... syntactically invalid argument(s)</i>. I know it's because of the underscore in the host </td> <td align="left"><font color="#FF0A0A">name</font>, but is there a switch to allow Exim to accept mail from such hosts? </td> </tr> <tr> <td align="right"><a name="TOC162" href="FAQ_4.html#TOC162">Q0416</a>: ... non-existing user would bounce back with a different message, based on the </td> <td align="left"><font color="#FF0A0A">name</font> of non-existing user? </td> </tr> <tr> <td align="right"><a name="TOC171" href="FAQ_4.html#TOC171">Q0425</a>: ... distributed between several servers according to the first letter of the user </td> <td align="left"><font color="#FF0A0A">name</font>. All the servers receive incoming mail at random. I would like to have...</td> </tr> <tr> <td align="right"><a name="TOC259" href="FAQ_7.html#TOC259">Q0726</a>: My SMTP authentication can be bypassed by sending an unknown user </td> <td align="left"><font color="#FF0A0A">name</font> and an empty password. What is wrong with this condition in a PLAIN authenticator?...</td> </tr> <tr> <td align="right"><a name="TOC279" href="FAQ_8.html#TOC279">Q0804</a>: ... “friendly” names, but if mail comes in for an upper case login </td> <td align="left"><font color="#FF0A0A">name</font>, it doesn't get rewritten. </td> </tr> <tr> <td align="right"><a name="TOC363" href="FAQ_19.html#TOC363">Q5028</a>: When I HUP the Exim daemon, the </td> <td align="left"><font color="#FF0A0A">name</font> shown in the process table changes from <i>/usr/lib/sendmail</i> (which is a...</td> </tr> <tr> <td align="right"><a name="TOC34" href="FAQ_0.html#TOC34">Q0034</a>: ... another identical host, it stopped working (it could not resolve DNS </td> <td align="left"><font color="#FF0A0A">names</font>). </td> </tr> <tr> <td align="right"><a name="TOC160" href="FAQ_4.html#TOC160">Q0414</a>: ... handle my local domain because my users have upper case letters in their login </td> <td align="left"><font color="#FF0A0A">names</font>, but incoming mail now has to use the correct case. Can I relax this somehow?...</td> </tr> <tr> <td align="right"><a name="TOC279" href="FAQ_8.html#TOC279">Q0804</a>: I'm using this rewriting rule to change login </td> <td align="left"><font color="#FF0A0A">names</font> into “friendly” names, but if mail comes in for an upper case...</td> </tr> <tr> <td align="right"><a name="TOC327" href="FAQ_17.html#TOC327">Q1703</a>: ... have some legacy clients that don't use STARTTLS, but which expect to </td> <td align="left"><font color="#FF0A0A">negotiate</font> a TLS session automatically on connection to the ssmtp port (465). Can...</td> </tr> <tr> <td align="right"><a name="TOC250" href="FAQ_7.html#TOC250">Q0717</a>: When using </td> <td align="left"><font color="#FF0A0A">Nessus</font> on a system that runs Exim, a number of security issues are raised. Nessus...</td> </tr> <tr> <td align="right"><a name="TOC83" href="FAQ_0.html#TOC83">Q0083</a>: </td> <td align="left"><font color="#FF0A0A">Netscape</font> on Unix is sending messages containing an unqualified user name in the <i>Sender:</i>...</td> </tr> <tr> <td align="right"><a name="TOC204" href="FAQ_6.html#TOC204">Q0607</a>: When I activate “return receipt” for example in </td> <td align="left"><font color="#FF0A0A">Netscape</font> Mailbox sending options, then I get an error message from Exim... something like...</td> </tr> <tr> <td align="right"><a name="TOC37" href="FAQ_0.html#TOC37">Q0037</a>: ... experiencing mailbox locking problems with Sun's <tt>mailtool</tt> used over a </td> <td align="left"><font color="#FF0A0A">network</font>. </td> </tr> <tr> <td align="right"><a name="TOC128" href="FAQ_3.html#TOC128">Q0305</a>: How can I arrange for mail on my local </td> <td align="left"><font color="#FF0A0A">network</font> to be delivered directly to the relevant hosts, but all other mail to...</td> </tr> <tr> <td align="right"><a name="TOC308" href="FAQ_14.html#TOC308">Q1401</a>: ... to the Internet, how can I arrange for mail to other hosts on my local </td> <td align="left"><font color="#FF0A0A">network</font> to be delivered, while at the same time mail to Internet hosts is queued...</td> </tr> <tr> <td align="right"><a name="TOC397" href="FAQ_26.html#TOC397">Q9704</a>: ... experiencing mailbox locking problems with Sun's <i>mailtool</i> used over a </td> <td align="left"><font color="#FF0A0A">network</font>. </td> </tr> <tr> <td align="right"><a name="TOC193" href="FAQ_5.html#TOC193">Q0511</a>: ... send a message, I get the error <i>User 0 set for address_reply transport is on the </i></td> <td align="left"><i><font color="#FF0A0A">never_users</font> list</i>. What does this mean? </td> </tr> <tr> <td align="right"><a name="TOC229" href="FAQ_6.html#TOC229">Q0632</a>: ... does the error <i>User 1 set for local_mbx_delivery transport is on the </i></td> <td align="left"><i><font color="#FF0A0A">never_users</font> list</i> mean? </td> </tr> <tr> <td align="right"><a name="TOC79" href="FAQ_0.html#TOC79">Q0079</a>: Our </td> <td align="left"><font color="#FF0A0A">new</font> PIX firewall is causing problems with incoming mail. How can this be fixed?...</td> </tr> <tr> <td align="right"><a name="TOC97" href="FAQ_1.html#TOC97">Q0104</a>: I'm about to upgrade to a </td> <td align="left"><font color="#FF0A0A">new</font> Exim release. Do I need to ensure the spool is empty, or take any other...</td> </tr> <tr> <td align="right"><a name="TOC311" href="FAQ_14.html#TOC311">Q1404</a>: ... and use <b>-qf</b> to force delivery of waiting mail when I dial in. How can I arrange for any </td> <td align="left"><font color="#FF0A0A">new</font> messages that arrive while I'm connected to be delivered immediately?...</td> </tr> <tr> <td align="right"><a name="TOC414" href="FAQ_27.html#TOC414">Q9811</a>: ... proportion of real mail traffic from my live mail server to use in tests of a </td> <td align="left"><font color="#FF0A0A">new</font> server. I want to preserve the envelope contents, but to suppress any...</td> </tr> <tr> <td align="right"><a name="TOC86" href="FAQ_0.html#TOC86">Q0086</a>: What does <i>SMTP protocol violation: synchronization error (</i></td> <td align="left"><i><font color="#FF0A0A">next</font> input sent too soon)</i> mean? </td> </tr> <tr> <td align="right"><a name="TOC117" href="FAQ_2.html#TOC117">Q0203</a>: ... qualification of non-fully-qualified domains, and then pass them on to the </td> <td align="left"><font color="#FF0A0A">next</font> router? </td> </tr> <tr> <td align="right"><a name="TOC207" href="FAQ_6.html#TOC207">Q0610</a>: How can I force the </td> <td align="left"><font color="#FF0A0A">next</font> retry time for a host to be now? </td> </tr> <tr> <td align="right"><a name="TOC331" href="FAQ_17.html#TOC331">Q1707</a>: ... keep seeing this error: <i>SMTP protocol violation: synchronization error (</i></td> <td align="left"><i><font color="#FF0A0A">next</font> input sent too soon): rejected "\200F^A^C".</i> What does it mean? </td> </tr> <tr> <td align="right"><a name="TOC216" href="FAQ_6.html#TOC216">Q0619</a>: I can't get Exim to deliver over </td> <td align="left"><font color="#FF0A0A">NFS</font>. I get the error <i>fcntl() failed: No locks available</i>, though the lock daemon...</td> </tr> <tr> <td align="right"><a name="TOC375" href="FAQ_21.html#TOC375">Q9202</a>: A script that FreeBSD runs </td> <td align="left"><font color="#FF0A0A">nightly</font> uses <i>mailq</i> with the <b>-Ac</b> parameter. Why doesn't Exim recognize this? </td> </tr> <tr> <td align="right"><a name="TOC153" href="FAQ_4.html#TOC153">Q0407</a>: ... arrange for a default value when using a query-style lookup such as LDAP or </td> <td align="left"><font color="#FF0A0A">NIS+</font> to handle aliases? </td> </tr> <tr> <td align="right"><a name="TOC156" href="FAQ_4.html#TOC156">Q0410</a>: How can I make Exim look in the alias </td> <td align="left"><font color="#FF0A0A">NIS</font> map instead of <i>/etc/aliases</i>? </td> </tr> <tr> <td align="right"><a name="TOC178" href="FAQ_4.html#TOC178">Q0432</a>: I use </td> <td align="left"><font color="#FF0A0A">NIS</font> for my user data. How can I stop Exim rejecting mail when my NIS servers...</td> </tr> <tr> <td align="right"><a name="TOC118" href="FAQ_2.html#TOC118">Q0204</a>: Every system has a </td> <td align="left"><tt><font color="#FF0A0A">nobody</font></tt> account under which httpd etc run. I would like to know how to restrict...</td> </tr> <tr> <td align="right"><a name="TOC362" href="FAQ_19.html#TOC362">Q5027</a>: Is there any way I can send bounces to the postmaster, and </td> <td align="left"><font color="#FF0A0A">nobody</font> else? Basically, I want to receive them, and I don't want the reply/from...</td> </tr> <tr> <td align="right"><a name="TOC5" href="FAQ_0.html#TOC5">Q0005</a>: Why is Exim not rejecting incoming messages addressed to </td> <td align="left"><font color="#FF0A0A">non-existent</font> users at SMTP time? </td> </tr> <tr> <td align="right"><a name="TOC125" href="FAQ_3.html#TOC125">Q0302</a>: Why does Exim say <i>all relevant MX records point to </i></td> <td align="left"><i><font color="#FF0A0A">non-existent</font> hosts</i> when MX records point to IP addresses? </td> </tr> <tr> <td align="right"><a name="TOC162" href="FAQ_4.html#TOC162">Q0416</a>: What is quickest way to set up Exim so any message sent to a </td> <td align="left"><font color="#FF0A0A">non-existing</font> user would bounce back with a different message, based on the name of...</td> </tr> <tr> <td align="right"><a name="TOC268" href="FAQ_7.html#TOC268">Q0735</a>: How can I block </td> <td align="left"><font color="#FF0A0A">non-FQDNs</font> in HELO/EHLOs? </td> </tr> <tr> <td align="right"><a name="TOC117" href="FAQ_2.html#TOC117">Q0203</a>: How can I arrange to do my own qualification of </td> <td align="left"><font color="#FF0A0A">non-fully-qualified</font> domains, and then pass them on to the next router? </td> </tr> <tr> <td align="right"><a name="TOC121" href="FAQ_2.html#TOC121">Q0207</a>: Why does Exim lower-case the local-part of a </td> <td align="left"><font color="#FF0A0A">non-local</font> domain when routing? </td> </tr> <tr> <td align="right"><a name="TOC127" href="FAQ_3.html#TOC127">Q0304</a>: How do I configure Exim to send all </td> <td align="left"><font color="#FF0A0A">non-local</font> mail to a gateway host? </td> </tr> <tr> <td align="right"><a name="TOC129" href="FAQ_3.html#TOC129">Q0306</a>: How do I configure Exim to send all </td> <td align="left"><font color="#FF0A0A">non-local</font> mail to a central server if it cannot be immediately delivered by my host?...</td> </tr> <tr> <td align="right"><a name="TOC185" href="FAQ_5.html#TOC185">Q0503</a>: I received a message with a <i>Subject:</i> line that contained a </td> <td align="left"><font color="#FF0A0A">non-printing</font> character (a carriage return). This messed up my filter file. Is there...</td> </tr> <tr> <td align="right"><a name="TOC364" href="FAQ_19.html#TOC364">Q5029</a>: A message with a recipient address that contains a </td> <td align="left"><font color="#FF0A0A">non-printing</font> character is stuck on my mail queue. How can I remove this address? </td> </tr> <tr> <td align="right"><a name="TOC72" href="FAQ_0.html#TOC72">Q0072</a>: Exim will deliver to </td> <td align="left"><font color="#FF0A0A">normal</font> aliases, and aliases that are pipes or files, but it objects to aliases that involve...</td> </tr> <tr> <td align="right"><a name="TOC128" href="FAQ_3.html#TOC128">Q0305</a>: ... ISP's mail server? The local hosts are all DNS-registered and behave like </td> <td align="left"><font color="#FF0A0A">normal</font> Internet hosts. </td> </tr> <tr> <td align="right"><a name="TOC369" href="FAQ_19.html#TOC369">Q5034</a>: ... queue messages from external sources while deliver locally generated email as </td> <td align="left"><font color="#FF0A0A">normal</font>. </td> </tr> <tr> <td align="right"><a name="TOC332" href="FAQ_17.html#TOC332">Q1708</a>: I trying to use TLS with Outlook as a client on a box that is running </td> <td align="left"><font color="#FF0A0A">Norton</font> Antivirus, but all my email is being rejected with <i>Unsupported command</i>...</td> </tr> <tr> <td align="right"><a name="TOC63" href="FAQ_0.html#TOC63">Q0063</a>: When I try to start an Exim daemon, </td> <td align="left"><font color="#FF0A0A">nothing</font> happens. There is no process, and nothing is written to the Exim log....</td> </tr> <tr> <td align="right"><a name="TOC174" href="FAQ_4.html#TOC174">Q0428</a>: I've converted from Sendmail, and I </td> <td align="left"><font color="#FF0A0A">notice</font> that Exim doesn't make use of the <tt>owner-</tt> entries in my alias file to change...</td> </tr> <tr> <td align="right"><a name="TOC339" href="FAQ_19.html#TOC339">Q5004</a>: I've recently </td> <td align="left"><font color="#FF0A0A">noticed</font> that emails I send with a <i>Bcc:</i> line are being delivered to their final destination...</td> </tr> <tr> <td align="right"><a name="TOC350" href="FAQ_19.html#TOC350">Q5015</a>: I just </td> <td align="left"><font color="#FF0A0A">noticed</font> log entries that start off <tt><= <></tt>. Am I correct in assuming that the <tt><></tt>...</td> </tr> <tr> <td align="right"><a name="TOC347" href="FAQ_19.html#TOC347">Q5012</a>: Does Exim support Delivery Status </td> <td align="left"><font color="#FF0A0A">Notification</font> (DSN), Message Status Notification (MSN), or any other form of delivery...</td> </tr> <tr> <td align="right"><a name="TOC414" href="FAQ_27.html#TOC414">Q9811</a>: ... server. I want to preserve the envelope contents, but to suppress any error </td> <td align="left"><font color="#FF0A0A">notifications</font> to the original sender. </td> </tr> <tr> <td align="right"><a name="TOC337" href="FAQ_19.html#TOC337">Q5002</a>: ... to “tail”, and the number of tailing windows is getting to be a </td> <td align="left"><font color="#FF0A0A">nuisance</font>. </td> </tr> <tr> <td align="right"><a name="TOC168" href="FAQ_4.html#TOC168">Q0422</a>: ... group of domains <i>*.example.com</i> to share the same alias file? I have a </td> <td align="left"><font color="#FF0A0A">number</font> of such groups. </td> </tr> <tr> <td align="right"><a name="TOC211" href="FAQ_6.html#TOC211">Q0614</a>: ... in one go. Exim spawns a lot of kids, but is there some limit to the </td> <td align="left"><font color="#FF0A0A">number</font> of processes it creates? </td> </tr> <tr> <td align="right"><a name="TOC250" href="FAQ_7.html#TOC250">Q0717</a>: When using Nessus on a system that runs Exim, a </td> <td align="left"><font color="#FF0A0A">number</font> of security issues are raised. Nessus complains that Exim answers to EXPN...</td> </tr> <tr> <td align="right"><a name="TOC269" href="FAQ_7.html#TOC269">Q0736</a>: ... to drop the connection after a server attempts to send a message to a </td> <td align="left"><font color="#FF0A0A">number</font> of unknown users? </td> </tr> <tr> <td align="right"><a name="TOC337" href="FAQ_19.html#TOC337">Q5002</a>: I want to “tail” the Exim log, but I have a </td> <td align="left"><font color="#FF0A0A">number</font> of other logs I also want to “tail”, and the number of tailing...</td> </tr> <tr> <td align="right"><a name="TOC124" href="FAQ_3.html#TOC124">Q0301</a>: What do <i>lowest </i></td> <td align="left"><i><font color="#FF0A0A">numbered</font> MX record points to local host</i> and <i>remote host address is the local host</i>...</td> </tr> </table> <p> <a href="FAQ-KWIC_A.html"> A</a><a href="FAQ-KWIC_B.html"> B</a><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> <font size=7 color="#FF0A0A"><b>N</b></font> <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> </body> </html>