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<\/a><\/p>\nCreate new routing COS <\/em><\/strong><\/p>\n This button is used to create new classes of service.<\/p>\n Filter criteria <\/em><\/strong><\/p>\n Routing COS <\/em><\/strong><\/p>\n Name of the class of service with the domain for which the COS was created.<\/p>\n Spam tag <\/em><\/strong><\/p>\n String for marking the subject line of identified spam.<\/p>\n Black tag <\/em><\/strong><\/p>\n String for marking the subject line if the sender is listed in the RBL (real-time blacklist).<\/p>\n Create new routing COS<\/strong><\/p>\n Routing COS <\/em><\/strong><\/p>\n Unique identifier for this class of service.<\/p>\n Domain <\/em><\/strong><\/p>\n Select the domain for which the COS is to be created.<\/p>\n RBL mode options<\/em><\/strong><\/p>\n <\/p>\n Spam mode<\/em><\/strong><\/p>\n Spam Tag <\/em><\/strong><\/p>\n This is where you specify the string for marking the subject line of identified spam.<\/p>\n Greylisting mode<\/em><\/strong><\/p>\n Messages from unknown senders are temporarily rejected on first sending and only accepted on the second sending (repeated transmission attempt by the SMTP server). In this context, \u201cunknown\u201d means that no valid entry exists as yet for the triplet of the email address of the sender \/ email address of the recipient \/ IP address of the sender\u2019s server.<\/p>\n Block No-PTR <\/em><\/strong><\/p>\n Mail is rejected if the sender\u2019s IP address has no PTR.<\/p>\n Blacklist <\/em><\/strong><\/p>\n The use of the user-based lists can be enabled or disabled for this class.<\/p>\n Whitelist <\/em><\/strong><\/p>\n The use of the user-based lists can be enabled or disabled for this class.<\/p>\n Greylist Whitelist <\/em><\/strong><\/p>\n The use of the user-based lists can be enabled or disabled for this class.<\/p>\n Antispam Commtouch <\/em><\/strong><\/p>\n \u2013 Enable or disable Commtouch for this class. Emails can be handled based on the return value from the scanner.<\/p>\n Cloudmark anti-spam <\/em><\/strong><\/p>\n Enable or disable Cloudmark for this class.<\/p>\n Junk mail retention period (days) <\/em><\/strong><\/p>\n Specify the number of days after which spam is to be deleted from the user quarantine. The default value is 30 days. A maximum of 180 days can be selected.<\/p>\n Junkmail mode<\/em><\/strong><\/p>\n Specify the quarantine \u2013 user or domain quarantine.<\/p>\n Junk mail report <\/em><\/strong><\/p>\n Specify the form in which the junk mail report is to be delivered.<\/p>\n Junk mail delivery time (UTC) <\/em><\/strong><\/p>\n The junk mail report is delivered at the time specified here. The time is specified in UTC and must be adjusted accordingly.<\/p>\n Sophos <\/em><\/strong><\/p>\n Enable or disable Sophos anti-virus for this class.<\/p>\n ClamAV <\/em><\/strong><\/p>\n Enable or disable ClamAV for this class.<\/p>\n Max. message size (MB) <\/em><\/strong><\/p>\n This is specified in megabytes. The system-wide maximum message size always takes precedence. The maximum message size is 999 MB. If the system-wide settings are to be applied, enter the value \u201c0\u201d here.<\/p>\n Block file attachment <\/em><\/strong><\/p>\n If file-attachment blocking is globally enabled, settings can be made here for individual classes of service. In this case, the feature can also be deactivated, but globally specified file types are always blocked.<\/p>\n File endings <\/em><\/strong><\/p>\n Specify the file-attachment endings to be blocked or removed. Specification separated by \u201c:\u201d (e.g., exe:cmd:com).<\/p>\n Sender Policy Framework <\/em><\/strong><\/p>\n Check of the IP address of the sending server to prevent the falsification of sender addresses.<\/p>\n Local Recipient Callout (Sec.) <\/em><\/strong><\/p>\n For local recipients, a check is made to determine whether the sending email address exists. This is where you specify the waiting time for the answer to the callout in seconds. The maximum waiting time is 999 seconds. Enter the value \u201c0\u201d if no check is to be performed.<\/p>\n Sender Check Local <\/em><\/strong><\/p>\n Sender check for outgoing traffic coming from the relay list. Outgoing email traffic is checked to see if the MAIL FROM address is in the local database.<\/p>\n Sender Check Local Auth <\/em><\/strong><\/p>\n Outgoing email traffic is checked to see if the MAIL FROM address is consistent with the username or an alias of the mailbox.<\/p>\n Editing the routing COS<\/strong><\/p>\n Entries are edited in the form used to create them.<\/p>\n <\/a><\/p>\n","protected":false},"excerpt":{"rendered":" Classes of service (COSs) can be created for domains or individual users. Create new routing COS This button is used to create new classes of service. Filter criteria Routing COS Spam tag Black tag Routing COS Name of the class of service with the domain for which the COS was created. Spam tag String for… read more »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":725,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/help.telekom-cloudcenter.de\/index.php\/wp-json\/wp\/v2\/pages\/792"}],"collection":[{"href":"https:\/\/help.telekom-cloudcenter.de\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/help.telekom-cloudcenter.de\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/help.telekom-cloudcenter.de\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/help.telekom-cloudcenter.de\/index.php\/wp-json\/wp\/v2\/comments?post=792"}],"version-history":[{"count":5,"href":"https:\/\/help.telekom-cloudcenter.de\/index.php\/wp-json\/wp\/v2\/pages\/792\/revisions"}],"predecessor-version":[{"id":1897,"href":"https:\/\/help.telekom-cloudcenter.de\/index.php\/wp-json\/wp\/v2\/pages\/792\/revisions\/1897"}],"up":[{"embeddable":true,"href":"https:\/\/help.telekom-cloudcenter.de\/index.php\/wp-json\/wp\/v2\/pages\/725"}],"wp:attachment":[{"href":"https:\/\/help.telekom-cloudcenter.de\/index.php\/wp-json\/wp\/v2\/media?parent=792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n
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\nThe recipient receives error code 5xx. Exception: If the message has more than one recipient of which, for example, one has an AS block activated and one recipient has spam tagging or whitelisting enabled, then the message is silently blocked for the first (blocking) recipient, i.e., blocked without a bounce message, and delivered to the other recipients as configured. (Not SMTP RFC compliant!) \u00a0<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n
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