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Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people using electronic devices. Email was thus conceived as the electronic (digital) version of, or counterpart to, mail, at a time when "mail" meant only physical mail (hence e- + mail). Email later became a ubiquitous (very widely used) communication medium, to the point that in current use, an e-mail address is often treated as a basic and necessary part of many processes in business, commerce, government, education, entertainment, and other spheres of daily life in most countries. Email is the medium, and each message sent therewith is called an email (mass/count distinction).
Email's earliest development began in the 1960s, but at first users could send e-mail only to other users of the same computer. Some systems also supported a form of instant messaging, where sender and receiver needed to be online simultaneously. The history of modern Internet email services reaches back to the early ARPANET, with standards for encoding email messages published as early as 1973 (RFC 561). An email message sent in the early 1970s is similar to a basic email sent today. Ray Tomlinson is credited as the inventor of networked email; in 1971, he developed the first system able to send mail between users on different hosts across the ARPANET, using the @ sign to link the user name with a destination server. By the mid-1970s, this was the form recognized as email. At the time, though, email, like most computing, was mostly just for "computer geeks" in certain environments, such as engineering and the sciences. During the 1980s and 1990s, use of email became common in the worlds of business management, government, universities, and defense/military industries, but much of the public did not use it yet. Starting with the advent of web browsers in the mid-1990s, use of email began to extend to the rest of the public, no longer something only for geeks in certain professions or industries. By the 2010s, webmail (the web-era form of email) had gained its ubiquitous status.
Email operates across computer networks, primarily the Internet. Today's email systems are based on a store-and-forward model. Email servers accept, forward, deliver, and store messages. Neither the users nor their computers are required to be online simultaneously; they need to connect, typically to a mail server or a webmail interface to send or receive messages or download it.
Originally an ASCII text-only communications medium, Internet email was extended by Multipurpose Internet Mail Extensions (MIME) to carry text in other character sets and multimedia content attachments. International email, with internationalized email addresses using UTF-8, is standardized but not widely adopted.

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  1. Lou

    FAO Dan email from name

    @Dan The emails that get sent to members still say from UKPlumbersForums.co.uk
  2. SimonG

    Just Had This Email.

    Sent me it this morning and I replied ????????
  3. rpm

    Email received about re naming of battery tools anyone

    Did anyone get an email to their personal email address re a name change to Hitachi tools.
  4. L

    RatedCustomer.co - anyone else get an email about this?

    Wondering if anyone else has come across this site? Looks like it's the customer version of MyBuilder as got an email about it launching today? Love the idea of telling other trades about how bad/good someone was to work with and the map function seems like a great way to locate customers to...
  5. A

    Email from customer following quote. Wants breakdown

    Hi Received the following email this morning, she's an ex work mate of my partner (so probably expecting the work for peanuts). The work she wants doing is an existing ensuite shower room - renew tray and enclosure and fit wall panels, renew toilet, currently a low level with cistern boxed in...
  6. E

    A small charity looking for volunteer plumbing help in East London

    I work for Spitalfields City Farm in E1 and we are a local community farm in a very deprived area of East London. We do a lot of educational work with the local community about animals and healthy lifestyles. We are a welcome open community space much loved by all who visit. We have three...
  7. T

    Grab Your New 17 Plate Van Now with Vansdirect!

    If you have any questions on the offers available, please drop me an email at [email protected] or complete a Contact Us form on the Vans Direct Website
  8. Savva

    Wanted! A reliable plumber- full time. Croydon & South London.

    Having built a good level of business with a number of letting agents & property management companies I now need a plumber to undertake a variety of work. The role is mostly reactive and jobs can be anything from replacing taps, rad valves, cistern fillers etc basically whatever needs to be...
  9. T

    SAVE £1,000's on a New Van NOW!

    Vansdirect Clearance Sale Large selection of vans in stock, with free delivery in up to 5 days! If you have any questions on the offers available, please drop me an email at [email protected] or complete a Contact Us form on the Vans Direct Website
  10. L

    Advice needed with gas supply problem

    Hi all. Need some advice on a problem with a customers gas supply in a flat. A customer has contacted me coz their supply is too low at the inlet at their vaillant 837. With the 12 kw hob and chimneysweep (P01) it's 9mbar. The muppet who installed the boiler ran a 22mm trac pipe from the...
  11. X

    boiler fires when cold shut off

    hi fitted a vokera boiler fan starts for few seconds when cold water shut off upstairs not kitchen sink, turn stopcock to reduce pressure, no joy, no dead legs pipework new, would you recommend a non return valve or shock arrestor. any help would be appreciated. regards
  12. pmplum

    Biasi combi no hot water unless heating on

    Hi Got a customer who has a biasi combi (same as ideal mini)with no hot water unless heating on. Diverter valve problem ?
  13. B

    External AECV?

    Hi all, Perhaps someone can help.. Went to service a boiler which is fitted in an annex, the gas is coming off the meter in the main house near the annex but there is no AECV fitted in the annex. The gas pipe comes into the property up an external wall, through the sofit and under the floor...
  14. 3

    Remeha avanta plus 28c, hot water but no heating

    Hi Ive been called to look at a remeha avanta plus 28c with hot water working fine just no heating. No fault codes are showing up at all. Is there anyway of checking the motorised valve or the divertor as im not that familiar with these boilers apart from having to change the seals and ignition...
  15. J

    servicing a gas fire

    Hi all, I've got a theoretical question about servicing gas fires. When you take the gas fire out of the chimney (to do the smoke test, etc), do you routinely dismantle the pilot/burner pipes and injector and clean them as well? By blowing compressed air through the dismantled pipes? The gas...
  16. J

    Glow worm ultimate 60 ff

    I have an issue with the boiler above and wanted to find out if anyone uses refurbished pub's as it's quaternary of the price and has the same warrenty ?....help
  17. S

    uk property repairs

    Have any of you lads heard of this firm , they phoned my partner and offered 450 land lord gas certs if he signs a contract with them .They contacted him out of the blue.Thanks lads
  18. 3

    Want a Job? for a combi boiler system for a flat in Twickenham

    Want a job for a combi boiler system for a flat in Twickenham? Had a client ask me to recommend a decent plumber in that area. Just email me direct to richard@*********.com and I will pass on the detail. The situation is that the client wants us to drill holes into his grantie work top to fit...
  19. M

    Main multi ff

    Hi all, i have a main multi ff water heater. When running all is well for about 5 mins, then no hot water and red light flashes. I think it is a combustion air problem. I have check the flue and it is clear, the 86mm restrict or plate is fitted as required and there is plenty off room around the...
  20. rpm

    GalaxyS5 owners - Missing email server.

    If your S5 drops the incoming email server forget about re entering password or going in to settings instead just remove the email icon from the screen, wait and reinstall it again from the apps. Been driving me nuts and carphone warehouse didn`t have a clue. Google help not much better either.
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