On Thursday 03 July 2008 22:33:34 Craig White wrote: > On Thu, 2008-07-03 at 22:25 +0100, Anne Wilson wrote: > > On Thursday 03 July 2008 22:12:10 Craig White wrote: > > > On Thu, 2008-07-03 at 22:06 +0100, Anne Wilson wrote: > > > > My daughter needs to send me a large file. It appears that it is > > > > getting through my ISP, but being rejected on my CentOS mail server. > > > > The message she's getting says > > > > > > > > A message that you sent could not be delivered to one or more of its > > > > recipients. This is a permanent error. The following address(es) > > > > failed: > > > > > > > > anne at localhost > > > > SMTP error: 552 5.3.4 Message size exceeds fixed limit > > > > Reporting-MTA: dns; borg2.lydgate.lan > > > > > > > > I presume that this is a configurable limit, but I'm not sure where > > > > to look. Since it says MTA I'm thinking that it's probably postfix. > > > > Can someone please tell me what parameter I'm looking for? Thanks > > > > > > > > I have reams of documentation printed out. I'll start wading through > > > > that tomorrow, but time is of the essence with this one. > > > > > > ---- > > > # grep size_limit /etc/postfix/main.cf > > > message_size_limit = 2560000000 > > > mailbox_size_limit = 5120000000 > > > > So 'size_limit' is what I'm looking for. Thanks everyone. Now comes the > > really hard bit. I have to tell her, blindfolded, how to tell the size > > of the message she is sending. She uses btinternet's yahoo mailer, and I > > haven't a clue what she can see there. :-( > > ---- > get 'properties' (usually a right click on the file) of the file she's > attaching > I've already told her that I'll settle for that, but I'll have to guess the 'overheads'. I know that to attach a 50k file, for instance, raises the size of the message by a lot more than 50k. Anne