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Mac Forum / Applications / Eudora / September 2008How large is too large for a Eudora mailbox?
How large can a Eudora mailbox get before one runs into trouble? that is, before Eudora itself runs into trouble handling it? We're talking about an essentially archival mailbox, very seldom used. My "Dead letters"mailbox has gotten up to about 30 MB. Should I go to the hassle of splitting it into "Dead letters 1999", "Dead letters 2000", etc? (I use the old style .toc file setting.) > My "Dead letters"mailbox has gotten up to about 30 MB. Should I go to > the hassle of splitting it into "Dead letters 1999", "Dead letters > 2000", etc? For what it's worth, Eudora has the reputation of handling large mail boxes very well; my wife's mailbox is around 20MB with 4400 messages in it, and Eudora handles it without any trouble at all on a 663 TiBook with 500MB of RAM, running 10.3.9. No slowing down, no corruption in six years of use, starting in OS 9.2 through 10.2 to 10.3.9. > (I use the old style .toc file setting.) So do I, but I don't supppose it makes much difference.  SignaturePeter > > My "Dead letters"mailbox has gotten up to about 30 MB. Should I go to > > the hassle of splitting it into "Dead letters 1999", "Dead letters [quoted text clipped - 9 lines] > > So do I, but I don't supppose it makes much difference. Under Win-XP, which is what I use at work for Eudora 7 because I prefer it, my Trash folder is typically 35,000 to 45,000 messages (12 months' worth). My Inbox is close to 4000 at the end of the month, at which time I throw away the previous month and it goes down to about 2000. Searches are very rapid. I don't think the OP need worry. Number of items is likely to be more important than number of megabytes, because the TOC is usually the problem -- the TOC is kept in memory for In/Out, and had an absolute limit (32767) to the number of messages in older versions, at least under Windows (I don't recall when that limit was expanded, but "relase notes" for Windows version 6.2.1.2 indicate a bug on this was fixed at that time). -- > Number of items is likely to be more important than number of megabytes, > because the TOC is usually the problem -- the TOC is kept in memory for > In/Out, and had an absolute limit (32767) to the number of messages in > older versions, at least under Windows According to Bill Cole, who I absolutely trust to have his facts right, there is a hard limit of 32K messages in Eudora for Mac. The MB of mail is less important with our modern operating systems than the number of messages. In Mac OS's before OS X, the size of the In, Out, and Trash mailboxes made a noticeable difference in performance for me, and having those mailboxes large meant I had to assign a great deal of additional memory to Eudora, but in all the various iterations of OS X I've had no problems. SignatureKathy > According to Bill Cole, who I absolutely trust to have his facts right, > there is a hard limit of 32K messages in Eudora for Mac. 32K messages per mailbox? Or per Mail folder? > > According to Bill Cole, who I absolutely trust to have his facts right, > > there is a hard limit of 32K messages in Eudora for Mac. > > 32K messages per mailbox? Or per Mail folder? I couldn't remember, so I did some searching and found this from 46 months ago: Bill Cole wrote: > Eudora has a limit of 32767 messages in a single mailbox. That's > unlikely to change any time soon. Email usually averages about 2KB, so > in an 80MB mbox you are likely to be over that 32K message limit. SignatureKathy > Bill Cole wrote: > > Eudora has a limit of 32767 messages in a single mailbox. That's > > unlikely to change any time soon. Email usually averages about 2KB, so > > in an 80MB mbox you are likely to be over that 32K message limit. Thanks! -- very helpful. > > Bill Cole wrote: > > > Eudora has a limit of 32767 messages in a single mailbox. That's > > > unlikely to change any time soon. Email usually averages about 2KB, so > > > in an 80MB mbox you are likely to be over that 32K message limit. I can confirm this problem from personal experience. My wife, a cat breeder, gets hundreds of messages on a busy day from various discussion lists she participates in, and deletes little "just in case". She has run into this limit (latest version of Eudora, running Tiger 10.4.11, eMac 700 MHz box). The result was that Eudora simply lost all the mail and emptied out the In box permanently. She uses POP, so that meant she lost everything for several months. Boy did this teach her a lesson about archiving! George > > > Bill Cole wrote: > > > > Eudora has a limit of 32767 messages in a single mailbox. That's > > > > unlikely to change any time soon. Email usually averages about 2KB, so > > > > in an 80MB mbox you are likely to be over that 32K message limit. My Mac Eudora 6.2.4 shows 1/8247/101M/0 in the bottom left corner. Is that 8,247 messages taking 101MB? TIA > My Mac Eudora 6.2.4 shows 1/8247/101M/0 in the bottom left corner. > > Is that 8,247 messages taking 101MB? I believe so, that's how I read it. George > found this from 46 months ago Some things have grown in past four years :) > Bill Cole wrote: >> Eudora has a limit of 32767 messages in a single mailbox. For those using Windows versions as well, this is obsolete, according to the Release Notes, and to Katrina Knight (who moved from the Windows newsgroup to a "listmoms" mailing list) "Older versions of Eudora have a limit of a bit over 32,000 messages. Once that limit is exceeded, the toc file can't store data for additional messages and you'll end up with the toc file getting rebuilt every time you run Eudora and access the mailbox." [Katrina Knight, Jun 6, 2008] http://www.eudora.com/download/eudora/windows/7.1/RelNotes.txt (includes prior versions history): ---------------------------------------------- CHANGES FROM 6.2.0.14 TO 6.2.1.2 ---------------------------------------------- MISCELLANEOUS BUG FIXES No longer need to rebuild mailbox's TOC when opening a mailbox with more than 32767 messages in it. -- > > found this from 46 months ago > > Some things have grown in past four years :) Nothing major about Mac Eudora has. :) > > Bill Cole wrote: > >> Eudora has a limit of 32767 messages in a single mailbox. > > For those using Windows versions as well, this is obsolete, For those people, this newsgroup is the Wrong Place. SignatureNow where did I hide that website... >>>> Eudora has a limit of 32767 messages in a single mailbox. >> For those using Windows versions as well, this is obsolete, > For those people, this newsgroup is the Wrong Place. IIRC the OP or discussion participant had mentioned using Eudora on _both_ Win & Mac (use of one is not mutually exclusive with the other :) Best wishes. -- > > Number of items is likely to be more important than number of megabytes, > > because the TOC is usually the problem -- the TOC is kept in memory for > > In/Out, and had an absolute limit (32767) to the number of messages in > > older versions, at least under Windows > > According to Bill Cole, who I absolutely trust to have his facts right, YIKES! Thank you, but I am quite fallible. > there is a hard limit of 32K messages in Eudora for Mac. The MB of mail > is less important with our modern operating systems than the number of > messages. I also realized the last time I looked at this that the way the Resource Manager works and how Eudora does TOC maintenance makes the *safe* limit softer and more like 30k on a mailbox that is is getting changed dynamically. Split .toc files may make it is easier to get close to the full 32767 before running into housekeeping jams, but I don't think I'd want to test that with mail I cared about. > In Mac OS's before OS X, the size of the In, Out, and Trash mailboxes > made a noticeable difference in performance for me, and having those > mailboxes large meant I had to assign a great deal of additional memory > to Eudora, but in all the various iterations of OS X I've had no > problems. MacOS X has far better and entirely different memory management than any "classic" MacOS. One aspect of that is the dynamic allocation of memory and disk-resident backing store for virtual memory so that apps can get more memory as they need it at runtime, rather than having to live in a fixed space allocated at launch time. Eudora still chews up memory, it just doesn't make users think about it much. SignatureNow where did I hide that website... > YIKES! > > Thank you, but I am quite fallible. <laugh> Nah, I don't believe that--at least not when talking about Eudora. ;-) SignatureKathy > > > My "Dead letters"mailbox has gotten up to about 30 MB. Should I go to > > > the hassle of splitting it into "Dead letters 1999", "Dead letters [quoted text clipped - 12 lines] > Under Win-XP, which is what I use at work for Eudora 7 because I prefer > it, EVERYTHING YOU KNOW ABOUT MAILBOX SIZE BASED ON THAT IS IRRELEVANT IN THIS NEWSGROUP. Eudora 7 for Windows is a significantly different program from Eudora 6.2.4 for the Mac. It was the only major version that came out first (and as it turned out, exclusively) for Windows. Qualcomm staff had spoken of the mailbox message count limit on MacOS as something that 7.0 would address, but of course that never happened. > my Trash folder is typically 35,000 to 45,000 messages (12 months' That simply cannot work in any version of Mac Eudora. The TOC format has a hard limit for resource fork TOC's at around 30k messages due to the size of individual entries and a limitation in the Resource Manager on the size of a resource and of the whole resource fork of a file. There is also a logical limit at 32767 that applies to .toc files on the Mac. The data size for a Mac Eudora mailbox is not so restricted. As I understand the TOC structure, it would be fine with as much as 2GB in a single mailbox. SignatureNow where did I hide that website... > How large can a Eudora mailbox get before one runs into trouble? that > is, before Eudora itself runs into trouble handling it? [quoted text clipped - 4 lines] > the hassle of splitting it into "Dead letters 1999", "Dead letters > 2000", etc? (I use the old style .toc file setting.) A very good question I've been wondering about. My largest mail boxes are; In box: 96MB Plus two others of 30 & 34MB These 3 mail boxes are used daily. I do request compaction regularly. My Eudora is active 24/7. (Eudora 6.2.4b6 on MacOS X.4.11 Tiger) > > How large can a Eudora mailbox get before one runs into trouble? that > > is, before Eudora itself runs into trouble handling it? [quoted text clipped - 11 lines] > These 3 mail boxes are used daily. I do request compaction regularly. > My Eudora is active 24/7. I try to keep active boxes small (less than 5 MB). My largest archives are around 30 Mb - one year of email exchange. > (Eudora 6.2.4b6 on MacOS X.4.11 Tiger) There is a newer 6.2.4 available. > How large can a Eudora mailbox get before one runs into trouble? that > is, before Eudora itself runs into trouble handling it? [quoted text clipped - 4 lines] > the hassle of splitting it into "Dead letters 1999", "Dead letters > 2000", etc? (I use the old style .toc file setting.) I have an inbox archive of 63.4 mb (12916 messages), outbox archive of 38.9 mb and no problems. Still running os 10.4.10. No intention of doing anything other than continuing to dump messages in there. |
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