{"id":1839,"date":"2017-01-27T07:13:10","date_gmt":"2017-01-27T06:13:10","guid":{"rendered":"http:\/\/pensalla.cat\/?p=1839"},"modified":"2017-01-27T13:29:14","modified_gmt":"2017-01-27T12:29:14","slug":"tens-un-correu","status":"publish","type":"post","link":"https:\/\/pensalla.cat\/?p=1839","title":{"rendered":"Tens un correu"},"content":{"rendered":"<div style=\"padding-top:0px;\t\r\npadding-right:0px;\r\npadding-bottom:0px;\r\npadding-left:0px;\r\nmargin-top:0px;\r\nmargin-right:0px;\r\nmargin-bottom:0px;\r\nmargin-left:0px;\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" \r\n\t\t\t\t        data-url=\"https:\/\/pensalla.cat\/?p=1839\" \r\n\t\t\t\t        data-via=\"jjofra\"\r\n\t\t\t\t\t    data-text=\"Tens un correu\"\r\n\t\t\t\t\t    data-related=\"\"\r\n\t\t\t\t\t    data-count=\"none\"\r\n\t\t\t\t\t    data-hashtags=\"\"\r\n\t\t\t\t\t    data-lang=\"autoLANGauto\"\r\n\t\t\t\t\t    data-counturl=\"pensalla.cat\"\r\n\t\t\t\t\t    data-size=\"medium\"\r\n\t\t\t\t\t    data-dnt=\"false\"\t> Tweet <\/a> <\/div>\r\n\t\t                <script>\r\n\t\t\t\t\t    !function(d,s,id) {\r\n\t\t\t\t\t      var js,fjs=d.getElementsByTagName(s)[0];\r\n\t\t\t\t\t      if(!d.getElementById(id)) {\r\n\t\t\t\t\t       js=d.createElement(s);js.id=id;js.src=\"https:\/\/platform.twitter.com\/widgets.js\";fjs.parentNode.insertBefore(js,fjs);\r\n\t\t\t\t\t      }\r\n\t\t\t\t\t    }\r\n\t\t\t\t\t   (document,\"script\",\"twitter-wjs\");\r\n\t\t\t\t\t    <\/script><div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>Moltes vegades s\u2019ha parlat de la fi del correu, recentment s\u2019havia dit que la missatgeria instant\u00e0nia o l\u2019augment imparable de l&#8217;spam\u00a0faria que el mail an\u00e9s reduint la seva import\u00e0ncia, per\u00f2 sembla que totes les previsions sobre la seva mort s\u00f3n infundades.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/8A3C539B-1A43-4CA7-B50B-83B92401A17E.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1841\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/8A3C539B-1A43-4CA7-B50B-83B92401A17E.jpg?resize=225%2C225\" alt=\"\" width=\"225\" height=\"225\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/8A3C539B-1A43-4CA7-B50B-83B92401A17E.jpg?w=225&amp;ssl=1 225w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/8A3C539B-1A43-4CA7-B50B-83B92401A17E.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/8A3C539B-1A43-4CA7-B50B-83B92401A17E.jpg?resize=100%2C100&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/8A3C539B-1A43-4CA7-B50B-83B92401A17E.jpg?resize=200%2C200&amp;ssl=1 200w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><\/span><\/div>\n<div>&nbsp;<\/div>\n<div>Es calcula que actualment hi ha 4.350 milions de comptes d\u2019email per 2.672 d&#8217;usuaris\u00a0i es preveu que pel 2019 arribaran als 5.590 milions de comptes, un creixement de m\u00e9s del 26%.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>El 2016 es van enviar, di\u00e0riament, 215.300 milions de correus, totes aquestes estad\u00edstiques les podeu llegir a l\u2019informe de <a href=\"http:\/\/www.radicati.com\/wp\/wp-content\/uploads\/2016\/01\/Email_Statistics_Report_2016-2020_Executive_Summary.pdf\">The Radicatti Group<\/a>.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><b>Una mica d&#8217;hist\u00f2ria<\/span><\/b><\/div>\n<div>&nbsp;<\/div>\n<div>El correu electr\u00f2nic\u00a0va comen\u00e7ar als 60\u2019s, a l\u2019AUTODIN (<a href=\"https:\/\/en.wikipedia.org\/wiki\/Automatic_Digital_Network\">Automatic Digital Network<\/a>), un servei amb 1350 terminals i 30 milions de missatges al mes a 18 llocs, l&#8217;any 1968 unia m\u00e9s de 300 llocs a uns quants pa\u00efsos, no era com avui el coneixem, era l\u2019antecessor del qu\u00e8\u00a0als 70\u2019s es posa en marxa dins el que es coneix com a\u00a0ARPANET (1971, <a href=\"https:\/\/en.wikipedia.org\/wiki\/ARPANET\">Advanced Research Projects Agency Network<\/a>), el 1971 Ray Tomlinson enviava el primer correu per la xarxa,\u00a0els\u00a0primers mails com els d\u2019avui es van enviar el 73 i el correu representava el 75% del tr\u00e0fic de la xarxa, el sistema de correu\u00a0es va convertir en Internet a inicis dels 80\u2019s.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>Els primers mails eren\u00a0ASCII text, \u00e9s a dir, nom\u00e9s text i nom\u00e9s amb els car\u00e0cters m\u00e9s redu\u00efts i que nom\u00e9s contemplaven l\u2019alfabet angl\u00e8s sense accents (a la foto, els 128 que estan per sobre de la ratlla vermella). Amb el temps\u00a0es va estendre al conjunt de 256 car\u00e0cters i\u00a0amb el MIME (Multipurpose Internet Mail Extensions) i m\u00e9s recentment amb el grup de car\u00e0cters\u00a0UTF-8 una norma de codificaci\u00f3 que pr\u00e0cticament inclou totes les lleng\u00fces del planeta.<br \/>\n<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/mail.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1844\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/mail.png?resize=271%2C209\" alt=\"\" width=\"271\" height=\"209\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/mail.png?w=271&amp;ssl=1 271w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/mail.png?resize=100%2C77&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/mail.png?resize=150%2C116&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/mail.png?resize=200%2C154&amp;ssl=1 200w\" sizes=\"auto, (max-width: 271px) 100vw, 271px\" \/><\/a><\/span><\/div>\n<div>&nbsp;<\/div>\n<div>En el sistema de correu\u00a0apareixen els servidors de mail, DOS servidors, un per enviar i un per rebre el correu, a la imatge podeu veure l\u2018esquema en el qual s\u2019hi ha afegit el servidor DNS.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/03AC321F-CE8F-4690-BFCE-68A44D933FF8.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1840\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/03AC321F-CE8F-4690-BFCE-68A44D933FF8-300x218.png?resize=300%2C218\" alt=\"\" width=\"300\" height=\"218\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/03AC321F-CE8F-4690-BFCE-68A44D933FF8.png?resize=300%2C218&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/03AC321F-CE8F-4690-BFCE-68A44D933FF8.png?resize=100%2C73&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/03AC321F-CE8F-4690-BFCE-68A44D933FF8.png?resize=150%2C109&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/03AC321F-CE8F-4690-BFCE-68A44D933FF8.png?resize=200%2C146&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/03AC321F-CE8F-4690-BFCE-68A44D933FF8.png?w=400&amp;ssl=1 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/span><\/div>\n<div>&nbsp;<\/div>\n<div>Quan nosaltres volem enviar un correu, l\u2019escrivim al nostre ordinador i quan estem llestos fem \u2018enviar\u2019. En aquest moment el nostre ordinador es posa en contacte amb el nostre servidor de sortida de correu, que agafa el missatge i comen\u00e7a la feina d\u2019enviar-lo al servidor del destinatari.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>Aquest proc\u00e9s \u00e9s pr\u00e0cticament instantani, per\u00f2 en cas que el servidor del destinatari estigui apagat o la seva b\u00fastia plena o qualsevol altra incid\u00e8ncia, el nostre servidor guardar\u00e0 el nostre missatge i reintentar\u00e0 l\u2019enviament (normalment ho far\u00e0\u00a0durant cinc dies).<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>El servidor del receptor, quan rep el correu el guarda (despr\u00e9s d\u2019haver verificat que no t\u00e9 virus, que no \u00e9s spam i d\u2019altres controls) i espera que el receptor es connecti perqu\u00e8 el llegeixi. Avui en dia, amb la quantitat de dispositius m\u00f2bils que tenim, l\u2019espera \u00e9s molt curta.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>L\u2019adre\u00e7a de mail t\u00e9 dues parts separades per una @, el nostre nom, m\u00e9s o menys abreviat, i el domini,\u00a0en format \u00a0 <span style=\"color: #ff2600;\">xxxxxx<\/span>@<span style=\"color: #ff2600;\">nom_del_domini.domini<\/span>, tant\u00a0\u00e9s en maj\u00fascules o min\u00fascules, i\u00a0nom\u00e9s s\u2019admeten\u00a0s\u00edmbols ASCII.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><b>Tipus de servidors de correu entrant: POP3 IMAP<\/span><\/b><\/div>\n<div>&nbsp;<\/div>\n<div>Els primers servidors de correu es dividien en dues formes de treballar:<\/div>\n<div>\n<ul>\n<li>POP3 (Post Office Protocol).<br \/>\n<\/span><\/li>\n<li>IMAP (Internet Message Access Protocol).<br \/>\n<\/span><\/li>\n<\/ul>\n<\/div>\n<div>&nbsp;<\/div>\n<div>En el cas de Pop3 quan l\u2019usuari es connectava descarrega en el seu ordinador tots els missatges i els esborra del servidor. Aquest era el sistema original perqu\u00e8 afavoria la velocitat de lectura dels mails en tenir-los a l\u2019ordinador i no dependre de la poca velocitat de les connexions, i no carregava els servidors amb la feina i l\u2019espai de tenir tots els missatges guardats.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>Quan tots vam tenir la necessitat de llegir els mails des de m\u00e9s d\u2019un dispositiu, inicialment des de l\u2019ordinador de la feina i l\u2019ordinador de casa, per\u00f2 ara des de qualsevol dispositiu m\u00f2bil, es va generalitzar el sistema IMAP que permet que puguem mirar-ho a molts dispositius perqu\u00e8 els correus sempre estan al servidor i els nostres dispositius guarden una c\u00f2pia.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><b>El servidor de correu sortint:\u00a0SMTP<\/span><\/b><\/div>\n<div>&nbsp;<\/div>\n<div>I per enviar el correu fem servir el que es coneix com a\u00a0servidor sortint SMTP (Simple Mailt Transfer Protocol) que \u00e9s el responsable de rebre el que hem escrit i enviar-lo al servidor del receptor.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><b>Configuraci\u00f3<\/span><\/b><\/div>\n<div>&nbsp;<\/div>\n<div>Possiblement una de les feines m\u00e9s complicades que tindrem ser\u00e0 configurar el nostre programa de mail per rebre i enviar el mail, per\u00f2 en el fons ja veureu que \u00e9s molt simple, aqu\u00ed us poso com a exemple la configuraci\u00f3 del Thunderbird de Mozilla.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>La primera part \u00e9s la senzilla, hem de posar el nostre nom i la nostra adre\u00e7a electr\u00f2nica, dades que far\u00e0 servir el programa per identificar-nos quan enviem un mail. De fet si ens equivoquem en posar l\u2019adre\u00e7a el mail seguir\u00e0 enviant-se, per\u00f2 si el destinatari ens vol contestar, ho far\u00e0 a l\u2019adre\u00e7a incorrecta que haurem entrat.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>Tamb\u00e9 haurem d\u2019entrar la contrasenya i marcar si volem que el programa la recordi perqu\u00e8 no ens la demani cada vegada que vulguem enviar o rebre un correu.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/CEAF6DAB-EEB4-42D8-A396-7832CFA6AFDC.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/CEAF6DAB-EEB4-42D8-A396-7832CFA6AFDC.png?resize=750%2C287\" alt=\"\" width=\"750\" height=\"287\" class=\"aligncenter size-full wp-image-1842\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/CEAF6DAB-EEB4-42D8-A396-7832CFA6AFDC.png?w=818&amp;ssl=1 818w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/CEAF6DAB-EEB4-42D8-A396-7832CFA6AFDC.png?resize=300%2C115&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/CEAF6DAB-EEB4-42D8-A396-7832CFA6AFDC.png?resize=768%2C294&amp;ssl=1 768w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/CEAF6DAB-EEB4-42D8-A396-7832CFA6AFDC.png?resize=100%2C38&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/CEAF6DAB-EEB4-42D8-A396-7832CFA6AFDC.png?resize=150%2C57&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/CEAF6DAB-EEB4-42D8-A396-7832CFA6AFDC.png?resize=200%2C77&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/CEAF6DAB-EEB4-42D8-A396-7832CFA6AFDC.png?resize=450%2C172&amp;ssl=1 450w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/CEAF6DAB-EEB4-42D8-A396-7832CFA6AFDC.png?resize=600%2C230&amp;ssl=1 600w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>La segona part \u00e9s la m\u00e9s delicada, anem pel servidor d\u2019entrada i per configurar-lo hem de tenir les dades que ens haur\u00e0 donat el nostre prove\u00efdor d\u2019internet.<\/span><\/div>\n<div>\n<div>&nbsp;<\/div>\n<\/div>\n<div><span style=\"color: #0096ff;\">Tipus de servidor<\/span>: normalment IMAP com ja he explicat abans, els mails es guardaran al servidor i quan ens connectem es copiaran al nostre dispositiu.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div><span style=\"color: #0096ff;\">Nom del servidor<\/span>: el nom que us haur\u00e0 donat el vostre prove\u00efdor, normalment mail.xxxxx.xxx.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div><span style=\"color: #0096ff;\">Port<\/span>: s\u2019omplir\u00e0 autom\u00e0ticament quan omplim el valor SSL, acostuma a ser 993 o 143. Abans el port identificava si les comunicacions eren xifrades, el 993 ho eren i el 143 no, per\u00f2 es poden mantenir comunicacions xifrades pel port 143, encara que no sigui massa correcte.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div><span style=\"color: #0096ff;\">SSL<\/span>: quin tipus de xifrat tindran les comunicacions entre el nostre ordinador i el servidor, normalment ser\u00e0 SSL\/TLS, si us diuen que no en t\u00e9, seleccioneu CAP i r\u00e0pidament busqueu un altre prove\u00efdor de correu, perqu\u00e8 \u00e9s innegociable que les vostres\u00a0comunicacions de correu estiguin encriptades per evitar que ning\u00fa pugui interceptar-les.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div><span style=\"color: #0096ff;\">Autenticaci\u00f3<\/span>: com ens identifiquem amb el nostre servidor per poder llegir el mail, normalment amb usuari i contrasenya, tamb\u00e9 dependr\u00e0 del nostre servidor.<\/span><\/div>\n<div>\n<\/span><br \/>\n<\/span><\/div>\n<div>&nbsp;<\/div>\n<div><a href=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/D4BF16C2-30CE-42DD-9BA2-5CD1FB0ABF9F.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/D4BF16C2-30CE-42DD-9BA2-5CD1FB0ABF9F.png?resize=750%2C111\" alt=\"\" width=\"750\" height=\"111\" class=\"aligncenter size-full wp-image-1843\" srcset=\"https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/D4BF16C2-30CE-42DD-9BA2-5CD1FB0ABF9F.png?w=815&amp;ssl=1 815w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/D4BF16C2-30CE-42DD-9BA2-5CD1FB0ABF9F.png?resize=300%2C45&amp;ssl=1 300w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/D4BF16C2-30CE-42DD-9BA2-5CD1FB0ABF9F.png?resize=768%2C114&amp;ssl=1 768w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/D4BF16C2-30CE-42DD-9BA2-5CD1FB0ABF9F.png?resize=100%2C15&amp;ssl=1 100w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/D4BF16C2-30CE-42DD-9BA2-5CD1FB0ABF9F.png?resize=150%2C22&amp;ssl=1 150w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/D4BF16C2-30CE-42DD-9BA2-5CD1FB0ABF9F.png?resize=200%2C30&amp;ssl=1 200w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/D4BF16C2-30CE-42DD-9BA2-5CD1FB0ABF9F.png?resize=450%2C67&amp;ssl=1 450w, https:\/\/i0.wp.com\/pensalla.cat\/wp-content\/uploads\/2017\/01\/D4BF16C2-30CE-42DD-9BA2-5CD1FB0ABF9F.png?resize=600%2C89&amp;ssl=1 600w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>En el cas del servidor de sortida, els valors s\u00f3n similars:<\/span><\/div>\n<div>&nbsp;<\/div>\n<div><span style=\"color: #0096ff;\">Port<\/span>: s\u2019omplir\u00e0 autom\u00e0ticament quan omplim el valor SSL, acostuma a ser 465, 587 o 25. El port 25 era, hist\u00f2ricament, com es comunicava l\u2019ordinador amb el servidor i a alguns pa\u00efsos per evitar l\u2019spam es va prohibir el port 25, aix\u00ed que millor fer servir els dos primers si viatgeu.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>\n<div><span style=\"color: #0096ff;\">SSL<\/span>: quin tipus de xifrat tindran les comunicacions entre el nostre ordinador i el servidor. Com en el cas del servidor d&#8217;entrada, si us diuen que no en t\u00e9, seleccioneu CAP i r\u00e0pidament busqueu un altre prove\u00efdor de correu.<\/span><\/div>\n<div>&nbsp;<\/div>\n<\/div>\n<div><span style=\"color: #0096ff;\">Autenticaci\u00f3<\/span>: com ens identifiquem amb el nostre servidor per poder enviar el mail, normalment amb usuari i contrasenya, tamb\u00e9 dependr\u00e0 del nostre servidor. En aquest cas es pot deixar sense, en cas de xarxes empresarials que nom\u00e9s permeten l\u2019enviament als ordinadors de la xarxa, en la resta de casos\u00a0el fet que s\u2019han fet servir\u00a0els servidors per enviar spam obliga a identificar l\u2019usuari que vol enviar un correu.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>S\u2019acaba el temps, la setmana vinent\u00a0seguirem amb el correu electr\u00f2nic.<\/span><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div style=\"padding-top:0px;\t\r\npadding-right:0px;\r\npadding-bottom:0px;\r\npadding-left:0px;\r\nmargin-top:0px;\r\nmargin-right:0px;\r\nmargin-bottom:0px;\r\nmargin-left:0px;\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" \r\n\t\t\t\t        data-url=\"https:\/\/pensalla.cat\/?p=1839\" \r\n\t\t\t\t        data-via=\"jjofra\"\r\n\t\t\t\t\t    data-text=\"Tens un correu\"\r\n\t\t\t\t\t    data-related=\"\"\r\n\t\t\t\t\t    data-count=\"none\"\r\n\t\t\t\t\t    data-hashtags=\"\"\r\n\t\t\t\t\t    data-lang=\"autoLANGauto\"\r\n\t\t\t\t\t    data-counturl=\"pensalla.cat\"\r\n\t\t\t\t\t    data-size=\"medium\"\r\n\t\t\t\t\t    data-dnt=\"false\"\t> Tweet <\/a> <\/div>\r\n\t\t                <script>\r\n\t\t\t\t\t    !function(d,s,id) {\r\n\t\t\t\t\t      var js,fjs=d.getElementsByTagName(s)[0];\r\n\t\t\t\t\t      if(!d.getElementById(id)) {\r\n\t\t\t\t\t       js=d.createElement(s);js.id=id;js.src=\"https:\/\/platform.twitter.com\/widgets.js\";fjs.parentNode.insertBefore(js,fjs);\r\n\t\t\t\t\t      }\r\n\t\t\t\t\t    }\r\n\t\t\t\t\t   (document,\"script\",\"twitter-wjs\");\r\n\t\t\t\t\t    <\/script>","protected":false},"excerpt":{"rendered":"<p>Tweet &nbsp; &nbsp; Moltes vegades s\u2019ha parlat de la fi del correu, recentment s\u2019havia dit que la missatgeria instant\u00e0nia o l\u2019augment imparable de l&#8217;spam\u00a0faria que el mail an\u00e9s reduint la seva import\u00e0ncia, per\u00f2 sembla que totes les previsions sobre la<span class=\"ellipsis\">&hellip;<\/span><\/p>\n<div class=\"read-more\"><a href=\"https:\/\/pensalla.cat\/?p=1839\">Read more <span class=\"screen-reader-text\">Tens un correu<\/span><span class=\"meta-nav\"> &#8250;<\/span><\/a><\/div>\n<p><!-- end of .read-more --><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[2],"tags":[],"class_list":["post-1839","post","type-post","status-publish","format-standard","hentry","category-articles"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/pensalla.cat\/index.php?rest_route=\/wp\/v2\/posts\/1839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pensalla.cat\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pensalla.cat\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pensalla.cat\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pensalla.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1839"}],"version-history":[{"count":0,"href":"https:\/\/pensalla.cat\/index.php?rest_route=\/wp\/v2\/posts\/1839\/revisions"}],"wp:attachment":[{"href":"https:\/\/pensalla.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pensalla.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pensalla.cat\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}