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Joined: Jul 2003
Posts: 267
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Joined: Jul 2003
Posts: 267 |
This is way off-topic, but I couldn't think of a better place to get my query answered.
If I compose an email with a few attachments and send it to a friend with several Ccs to other fiends, what happens to it?
Do the attachments get up-loaded once to the ISP and then sent to each of the Ccs, or do they get up-loaded with each of the Ccs before sending?
I'm asking this question because I believe that one cause of the poor performance of our retirement village network is that members keep sending on emails that they receive as I have outlined above. On networks, once upload bandwidth hits maximum, download bandwidth drops to a crawl.
tony
Lenovo lappie, 4Gb RAM, 500Gb HD
Ubuntu 12.04
Running BIAB under WINE
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Joined: Jul 2000
Posts: 27,683
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Veteran
Joined: Jul 2000
Posts: 27,683 |
Good question. I always wondered about that. Your ISP could probably answer it.
If your 'friends' are the culprit, you can do something about it. If, on the other hand, it's other 'fiends', then you may be on your own.
BIAB 2026 Win Audiophile. Software: Fender Studio One 8, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Fender Quantom HD8 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.
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Joined: Jul 2007
Posts: 888
Expert
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Expert
Joined: Jul 2007
Posts: 888 |
If you send the email with attachments and a number of addresses, the email gets uploaded once and distributed from the Email server to each address. If they all exist on one server, they each get a copy of the attachment in thier mail stores until downloaded.
There are various ways that the amount of space can be handled. You can have a personal limit, once that is exceeded new emails result in failure with due to mail box full. You can also have a group quota. For example a company account might have a limit of x amount of disk space. Again if it is all used then rejection becuase mail box is full.
In the first case, I can clean out my mail box to free up space, in the second I must get others to clean up there mail box to free up space.
If you send 20 people the email in same company in the second situation, then it is likely that their mail space require 20 x the file size.
With large files it is often better to store them in a public folder and send people links. Now you ensure that only one copy is out there, People with slow connections can choose when / or if they want to download the file, even those with fast connections can decide if this is a good time to download the file.
PM
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Off-Topic
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Joined: Dec 2007
Posts: 1,439
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Expert
Joined: Dec 2007
Posts: 1,439 |
Quote:
...If I compose an email with a few attachments and send it to a friend with several Ccs to other fiends, what happens to it?
Do the attachments get up-loaded once to the ISP and then sent to each of the Ccs, or do they get up-loaded with each of the Ccs before sending?
I'm asking this question because I believe that one cause of the poor performance of our retirement village network is that members keep sending on emails that they receive as I have outlined above. On networks, once upload bandwidth hits maximum, download bandwidth drops to a crawl.
An outgoing email with multiple recipients is sent to the mail server as a single communication. I.E. The mail server gets one copy but sends to each CC or BC or TO recipient individually.
So, if the mail server is at your ISP, then you send a single copy to the mail server via your internet link using the SMTP protocol*, it in turn will use the SMTP protocol to send each recipient a copy to each recipients mail server. IIRC, even if there are several recipients on one post office, so long as it ISN'T the mail server you use for your outgoing email, then multiple copies will be sent.
This also applies if the mail server is local. I.E. hosted at your end of the internet service rather than at the ISP's end. However in this case, the mail server will send multiple copies up your link as you have moved the mail server function to your local end.
Poor link performance and slow outgoing emails is usually caused by exceeding the bandwidth capability of the link. Bear in mind that an ADSL service is Asymetric. I.E. the upload speed is a fraction of the download speed**. This can also affect downlink performance as requests for data can be seriously delayed by large quantities of outgoing data. As a result of this phenomena, we often set up our customers with routers that have QoS (Quality of Service) controls and use this to limit the outbound SMTP priority.
It is surprising how many people have absolutely no feel for the quantity of data they are actually sending...
*There are exceptions, you could be using IMAP or a proprietry protocol, but in general it will be SMTP.
** A 1500/256 link is 1.5 Mbit down and only 256kbit up - a 6 to 1 ratio. ADSL 2 and 2+ links are typically greater in the ratio - on the order of 8 to 1 and ranging up to 20 to 1. Assuming you're actually achieving full speed on your link!
--=-- My credo: If it's worth doing, it's worth overdoing - just ask my missus, she'll tell ya  --=--You're only paranoid if you're wrong!
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Off-Topic
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Joined: Jul 2003
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Joined: Jul 2003
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Thanks guys. You confirmed my suspicions. Looks like a heavy tutorial on Flickr coming up!
tony
Lenovo lappie, 4Gb RAM, 500Gb HD
Ubuntu 12.04
Running BIAB under WINE
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Ask sales and support questions about Band-in-a-Box using natural language.
ChatPG's knowledge base includes the full Band-in-a-Box User Manual and sales information from the website.
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Introducing XPro Styles PAK 11 – Now Available for Windows Band-in-a-Box 2026 and Higher!
XPro Styles PAK 11 for Windows & Mac Band-in-a-Box® version 2026 (and higher) is here with 100 brand new RealStyles, plus 31 RealTracks/RealDrums!
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Special offers available until August 31st, 2026!
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Video: XPro Styles PAK 11 Overview & Styles Demos: Watch now!
XPro Styles PAKs require Band-in-a-Box® 2026 or higher and are compatible with ANY package, including the Pro, MegaPAK, UltraPAK, UltraPAK+, and Audiophile Edition.
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Xtra Styles PAK 22 for Windows & Mac Band-in-a-Box version 2026 (and higher) is here with 200 brand new RealStyles!
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No Xtra Styles PAK is complete without the classic rock & pop, jazz, and country volumes you know and love, and we’ve got plenty to share, with 150 styles spread across too many genres to list! Of course, it also wouldn’t be complete with our special wildcard volume to add a little spice and pizzazz to the mix. This year, because we loved it so much the first time, we’ve decided to make the second iteration of our SynthMaster volume, full of new sounds, interesting genres, and 50 engaging styles, all making use of the diverse SynthMaster plugin! Here you can find genres such as airy yacht rock, sultry electrotango, and even some synth soca funk. Don’t wait, pickup up Xtra Styles PAK 22 today!
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Video: Xtra Styles PAK 22 Overview & Styles Demos: Watch now!
Note: The Xtra Styles require the UltraPAK, UltraPAK+, or Audiophile Edition of Band-in-a-Box®. (Xtra Styles PAK 22 requires the 2026 or higher UltraPAK, UltraPAK+, or Audiophile Edition. They will not work with the Pro or MegaPAK version because they need the RealTracks from the UltraPAK, UltraPAK+, or Audiophile Edition.
Introducing XPro Styles PAK 11 – Now Available for Mac Band-in-a-Box 2026 and Higher!
XPro Styles PAK 11 for Mac & Windows Band-in-a-Box® version 2026 (and higher) is here with 100 brand new RealStyles, plus 31 RealTracks/RealDrums!
Guess who’s back again? That’s right! It’s our XPro Styles PAK’s triumphant return with the 11th edition in this series! 100 new styles are coming your way spread across the rock & pop, jazz, and country genres. And this edition's wildcard genre explores the immense and far-reaching catalogue of electronic music! The included 31 RealTracks and RealDrums can be used with any Band-in-a-Box® 2026 (and higher) package.
Special offers available until August 31st, 2026!
All the XPro Styles PAKs 1-11 are on sale for only $29 ea (Reg. $49 ea), or get them all in the XPro Styles PAK Bundle for only $149 (reg. $299)! Order now!
Learn more and listen to demos of XPro Styles PAKs.
Video: XPro Styles PAK 11 Overview & Styles Demos: Watch now!
XPro Styles PAKs require Band-in-a-Box® 2026 or higher and are compatible with ANY package, including the Pro, MegaPAK, UltraPAK, UltraPAK+, and Audiophile Edition.
Introducing Xtra Styles PAK 22 – Now Available for Mac Band-in-a-Box 2026 and Higher!
Xtra Styles PAK 22 for Mac & Windows Band-in-a-Box version 2026 (and higher) is here with 200 brand new RealStyles!
It’s time to celebrate! Xtra Styles PAK 22 for Band-in-a-Box® is here, and we've got 200 brand-new styles coming your way!
No Xtra Styles PAK is complete without the classic rock & pop, jazz, and country volumes you know and love, and we’ve got plenty to share, with 150 styles spread across too many genres to list! Of course, it also wouldn’t be complete with our special wildcard volume to add a little spice and pizzazz to the mix. This year, because we loved it so much the first time, we’ve decided to make the second iteration of our SynthMaster volume, full of new sounds, interesting genres, and 50 engaging styles, all making use of the diverse SynthMaster plugin! Here you can find genres such as airy yacht rock, sultry electrotango, and even some synth soca funk. Don’t wait, pickup up Xtra Styles PAK 22 today!
In this PAK you can find: dulcet folk ballads, funky gospel country, Brazilian jazz fusion, upbeat 1980s pop, classic Americana, a plethora of breezy bossa novas, indie singer-songwriter, scintillating synthwave, exuberant electronica, and many, many more!
Special offers available until August 31st, 2026!
All the Xtra Styles PAKs 1-22 are on special for only $29 each (reg $49), or get all 22 PAKs for $199 (reg $399)! Order now!
Learn more and listen to demos of the Xtra Styles PAK 22.
Video: Xtra Styles PAK 22 Overview & Styles Demos: Watch now!
Note: The Xtra Styles require the UltraPAK, UltraPAK+, or Audiophile Edition of Band-in-a-Box®. (Xtra Styles PAK 22 requires the 2026 or higher UltraPAK, UltraPAK+, or Audiophile Edition. They will not work with the Pro or MegaPAK version because they need the RealTracks from the UltraPAK, UltraPAK+, or Audiophile Edition.
Peter Gannon Talks Band-in-a-Box with zplane
zplane recently interviewed Peter Gannon, the founder and creator of Band-in-a-Box, about the software's early days, what sets it apart from AI, how zplane's audio algorithms are used in Band-in-a-Box, and more!
Special thanks to the team at zplane for their continued support.
Check out the full interview here: https://products.zplane.de/blog/peter-gannon-interview-pg-music
Last Chance! The Band-in-a-Box® 2026 for Mac® Special Ends Today (May 31, 2026) at 11:59pm PDT!
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Band-in-a-Box® 2026 Mac Special Offers Extended Until May 31st!
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