{"id":5533,"date":"2013-03-14T11:30:45","date_gmt":"2013-03-14T00:30:45","guid":{"rendered":"http:\/\/mingersoft.com\/blog\/?p=5533"},"modified":"2013-03-11T21:14:48","modified_gmt":"2013-03-11T10:14:48","slug":"useful-commands-when-using-telnet-on-a-pop3-mail-server","status":"publish","type":"post","link":"https:\/\/mingersoft.com\/blog\/2013\/03\/useful-commands-when-using-telnet-on-a-pop3-mail-server\/","title":{"rendered":"Useful Commands When Using Telnet on a POP3 Mail Server"},"content":{"rendered":"<p>This article in the series of telnet articles will give you some handy commands to use when connected to a POP3 mail server. You would not normally have reason to get at your e-mail in this fashion but it could be handy if there is a huge e-mail in your mailbox that is clogging everything up behind it. This was perhaps more of an issue back in the days of dialup where a 1MB e-mail could take nearly ten minutes to download but as people send offensively larger attachments it might still be worth knowing.<\/p>\n<p>In a nutshell, these are:<\/p>\n<ul>\n<li>stat\n<ul>\n<li>this command will let you know how many messages you have waiting and their total size in bytes\u00a0(i.e. a value of 1000 equals 1KB and a value of 1000000 equals 1MB),<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div id=\"attachment_5535\" style=\"width: 542px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-Stat-Command.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5535\" class=\" wp-image-5535 \" alt=\"Telnet - Stat Command\" src=\"https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-Stat-Command.png?resize=542%2C274\" width=\"542\" height=\"274\" srcset=\"https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-Stat-Command.png?w=677&amp;ssl=1 677w, https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-Stat-Command.png?resize=300%2C151&amp;ssl=1 300w\" sizes=\"auto, (max-width: 542px) 100vw, 542px\" \/><\/a><p id=\"caption-attachment-5535\" class=\"wp-caption-text\">Telnet &#8211; Stat Command<\/p><\/div>\n<ul>\n<li><span style=\"line-height: 11.988636016845703px;\">list<\/span>\n<ul>\n<li>typing in this command will give you a numbered list of messages waiting and their size in bytes,<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div id=\"attachment_5536\" style=\"width: 542px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-List-Command.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5536\" class=\" wp-image-5536 \" alt=\"Telnet - List Command\" src=\"https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-List-Command.png?resize=542%2C274\" width=\"542\" height=\"274\" srcset=\"https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-List-Command.png?w=677&amp;ssl=1 677w, https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-List-Command.png?resize=300%2C151&amp;ssl=1 300w\" sizes=\"auto, (max-width: 542px) 100vw, 542px\" \/><\/a><p id=\"caption-attachment-5536\" class=\"wp-caption-text\">Telnet &#8211; List Command<\/p><\/div>\n<ul>\n<li>top\n<ul>\n<li>this command will display the first x lines of a given message,<\/li>\n<li>typed in as\u00a0<strong>top &lt;message number&gt; &lt;number of lines&gt; <\/strong>(i.e. &#8220;top 1 30&#8221; to display the first thirty lines of the first message),<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div id=\"attachment_5537\" style=\"width: 542px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-Top-Command.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5537\" class=\" wp-image-5537 \" alt=\"Telnet - Top Command\" src=\"https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-Top-Command.png?resize=542%2C274\" width=\"542\" height=\"274\" srcset=\"https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-Top-Command.png?w=677&amp;ssl=1 677w, https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-Top-Command.png?resize=300%2C151&amp;ssl=1 300w\" sizes=\"auto, (max-width: 542px) 100vw, 542px\" \/><\/a><p id=\"caption-attachment-5537\" class=\"wp-caption-text\">Telnet &#8211; Top Command<\/p><\/div>\n<ul>\n<li>dele\n<ul>\n<li>this command will delete the specified message,<\/li>\n<li>typed in as\u00a0<strong>dele &lt;message number&gt; <\/strong>(i.e. &#8220;dele 1&#8221; to delete the first message),<\/li>\n<li>you need to repeat this for each and every message,<\/li>\n<li>in order for the deletions to take effect you have to use the <strong>quit<\/strong> command afterwards.<\/li>\n<\/ul>\n<\/li>\n<li>quit\n<ul>\n<li>this closes your connection to the mail server and makes your changes permanent (if you&#8217;ve deleted any messages).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Using these commands, you should be able to work out how full your mailbox is as well as which messages are the largest and then delete them off the mail server.<\/p>\n<p>Tomorrow, I&#8217;ll show you how to cope with deleting massive amounts of e-mail in one go when typing in commands line by line is not feasible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This article in the series of telnet articles will give you some handy commands to use when connected to a POP3 mail server. You would not normally have reason to get at your e-mail in this fashion but it could be handy if there is a huge e-mail in your mailbox that is clogging everything &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/mingersoft.com\/blog\/2013\/03\/useful-commands-when-using-telnet-on-a-pop3-mail-server\/\">Continue reading<\/a><\/p>\n","protected":false},"author":1,"featured_media":5544,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[63,173,18],"tags":[682,2033,157],"class_list":["post-5533","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-communications","category-email","category-technology","tag-e-mail","tag-telnet","tag-windows","item-wrap"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/mingersoft.com\/blog\/wp-content\/uploads\/2013\/03\/Telnet-Icon.png?fit=200%2C200&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/mingersoft.com\/blog\/wp-json\/wp\/v2\/posts\/5533","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mingersoft.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mingersoft.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mingersoft.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mingersoft.com\/blog\/wp-json\/wp\/v2\/comments?post=5533"}],"version-history":[{"count":0,"href":"https:\/\/mingersoft.com\/blog\/wp-json\/wp\/v2\/posts\/5533\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mingersoft.com\/blog\/wp-json\/wp\/v2\/media\/5544"}],"wp:attachment":[{"href":"https:\/\/mingersoft.com\/blog\/wp-json\/wp\/v2\/media?parent=5533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mingersoft.com\/blog\/wp-json\/wp\/v2\/categories?post=5533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mingersoft.com\/blog\/wp-json\/wp\/v2\/tags?post=5533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}