If the problem is Mailscanner mangling the files, would an upgrade solve the problem?
How can I test if the problem is concurrent access? Just to be sure which of these are the problems... Regards, Pedro Augusto de Oliveira Pereira Cisco Certified Network Associate - CCNA On Fri, Dec 19, 2008 at 5:53 PM, Victor Duchovni < victor.ducho...@morganstanley.com> wrote: > On Fri, Dec 19, 2008 at 02:47:49PM -0500, Brian Evans - Postfix List wrote: > > > Pedro Augusto wrote: > > > Good day, > > > > > > I'm having some strange problems with Postfix. > > > > > > It works perfectly, I have no problems sending or receiving e-mail but > > > sometimes the user can't receive any e-mail using his client (such as > > > Outlook Express) or through webmail. When we check the mail file, the > > > first line is full of @ signs. The situation only gets back to normal > > > when we remove all of these @ signs from the first line of the file. > > > > > > This only happens with some users and not all the time. I'm using > > > Postfix 2.2.10, Dovecot 0.99.11-9 without virtual domains, Mailscanner > > > and Clamav on a CentOS 4.7 box. > > > > > > If you need more details, just let me know. > > This sounds like a classic symptom of a Mailscanner mangle. > > > > It is not supported on this list and may mangle or lose emails at random. > > Or perhaps a mailbox locking problem. Those "@" characters may well be > ASCII NUL bytes which represent "holes" in the file because the delivery > agent is appending to a file which another program truncates (and locking > problems cause unsafe concurrent access). > > -- > Viktor. > > Disclaimer: off-list followups get on-list replies or get ignored. > Please do not ignore the "Reply-To" header. > > To unsubscribe from the postfix-users list, visit > http://www.postfix.org/lists.html or click the link below: > <mailto:majord...@postfix.org?body=unsubscribe%20postfix-users> > > If my response solves your problem, the best way to thank me is to not > send an "it worked, thanks" follow-up. If you must respond, please put > "It worked, thanks" in the "Subject" so I can delete these quickly. >