Paul, Thank you for your response and your guidance. I have re-read the mailing list guidelines again. I think I am clear. When you said " In particular, note that top-posting is not how you should respond to messages here." Were you referring to my response to Bill Mussatto (original thread by Benedict Simon, Subject: "query regarding SMS")? Thank you again. John Glynn -----Original Message----- From: Paul Lesniewski [mailto:paul@xxxxxxxxxxxxxxxx] Sent: Saturday, March 06, 2010 2:01 PM To: Squirrelmail User Support Mailing List Subject: Re: missing emails On Sat, Mar 6, 2010 at 8:01 AM, John Glynn <john@xxxxxxxxxxxxxxxx> wrote: > I apologize. I have not posted here in years because my Squirrelmail has > been working flawlessly. I forgot to put ?? in the subject (I > think that is standard procedure). No, that prefix is added automatically for you. Please re-read the mailing list posting guidelines before posting again to re-familiarize yourself with mailing list protocol. In particular, note that top-posting is not how you should respond to messages here. > Here is my problem again: > > This problem seems to be happening prior to squirrel mail but I cannot be > certain. My clients are each reporting missing emails. These are emails > they are expecting to receive from senders they have received from in the > past. They are now unable to receive any emails from these particular > senders. When I search the log files for those emails I find successful > entries like this one: > > From: Mar 5 13:26:27 mail sendmail[11408]: o25IQQCM011408: > from=<thetrusted_sender@xxxxxxxxxxxxxxxxxxxxx>, size=4515, class=0, > nrcpts=1, msgid=< longID_number@xxxxxxxxxxxxxxxxxxxxx >, proto=ESMTP, > daemon=MTA, relay=hfdmailout01.thehartford.com [162.136.189.233] > > To: Mar 5 13:26:33 mail sendmail[11409]: o25IQQCM011408: > to=<myclient@xxxxxxxxxxxxxxxxxxxx>, delay=00:00:06, xdelay=00:00:06, > mailer=local, pri=34790, dsn=2.0.0, stat=Sent SquirrelMail is an IMAP *client*. It is NOT a mail server (MTA). This issue is entirely unrelated to SquirrelMail. > But I find no trace of any of the missing emails in Squirrelmail or even > looking through client emails within Webmin. > > This is a new problem and again may not be related to Squirrelmail but I > thought it worth posting all the same. > > My question: Where can I look for these emails? Is there some place within > Squirrelmail or Webmin that they could be getting hung up after what looks > like a successful send? When you ask this question in a more relevant place (such as a sendmail forum), you'll want to show ALL the log entries for when such a message came in to your server. The only one you show above looks like the mail was relayed to a server I don't know if you control. If you do, check there for the same message. You should also show a set of log entries for a message that was accepted normally. You should also work with one of the senders in question, asking them for EXACT send times and whether or not they got a bounce message. Also ensure there is no filtering on the recipient's side that would trash the mail and/or that some process such as SpamAssassin or whatever server side anti-spam or anti-virus filtering you may be using isn't causing the issue. > My setup: > > IMAP - dovecot > PHP - 4.3.11 Oh my. > Web server - Apache 2.0.53 Oh my. > Stock installation of Redhat Linux Fedora Core 3, which uses RPM. Oh my. > Squirrelmail version: 1.4.6 Oh my. You REALLY need to upgrade. You are running software with numerous known security holes. > Webmin version 1.5 -- Paul Lesniewski SquirrelMail Team Please support Open Source Software by donating to SquirrelMail! http://squirrelmail.org/donate_paul_lesniewski.php ---------------------------------------------------------------------------- -- Download Intel® Parallel Studio Eval Try the new software tools for yourself. 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