Dictionary Entries near online on-license onliest on limits online onliness onload on loan. Accessed 10 Dec. Keep scrolling for more More Definitions for online online.

Please tell us where you read or heard it including the quote, if possible. Test Your Vocabulary Musical Words Quiz Which word describes a musical performance marked by the absence of instrumental accompaniment?

Test Your Knowledge - and learn some interesting things along the way. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

And yes, 'gift' is a verb. It'll cost you nothing to read. We're intent on clearing it up 'Nip it in the butt' or 'Nip it in the bud'?

We're gonna stop you right there Literally How to use a word that literally drives some pe Is Singular 'They' a Better Choice?

We are thankful for obscure words. Can you spell these 10 commonly misspelled words? What happened? What general information should I be aware of if I want to send mass e-mails?

An Acceptable Use Policy AUP is a set of rules published by the owner of a network and operator of services that specifies the manner in which the network and services may be used.

Make sure that your e-mail systems meet these standards. Strict legal requirements apply to mass e-mails sent for commercial purposes Guidelines.

To avoid newsletters being categorized as spam, they need to meet at least the following formal requirements: The addressee must be able to tell which of his e-mail addresses was contacted.

To meet the transparency requirement for commercial mailings, the newsletter must contain a declaration that indicates where the address you wrote to came from and why you believe you are entitled to send newsletters to this address.

Only write to recipients who have personally given you permission to do so. Keyword: "Address trading". Important: In the case of e-mail addresses generated via opt-in, check that they actually belong to the person who provided them.

In practice, this almost always results in a double opt-in procedure. Every newsletter must contain an opt-out declaration. This means you must inform the recipients about how to unsubscribe from the newsletter if they no longer wish to receive it.

In the case of mass commercial e-mails, publication details must be provided. The free "Impressum Generator" provided by Juraforum , for example, could be useful for this.

Ensure that your e-mail distribution lists are always up to date. Avoid bounce e-mails non-delivery notifications , establish suitable bounce handling and delete an e-mail address immediately if you know that the relevant user does not or no longer exists.

Notes: The first item already means that addressing e-mails using blind carbon copies BCC is not permitted. The transparency declaration and opt-out declaration are usually summarized at the end of the e-mail before the imprint.

Avoid using obfuscation and spam techniques as criminals do hash buster, masking, changing, missing or incorrect sender details etc. Use meaningful URLs and avoid unnecessary coding.

Only link to valid, trustworthy URLs within your e-mail and avoid the use of redirects and URL shortening services shortcomings.

Never link to a phishing website and do not forward links to harmful software or cite spam, not even as an example or for fun! For security reasons our servers don't allow unencrypted transfer of executable scripts and attachments.

This includes: ade, adp, app, asp, bas, bat, bhx, cab, ceo, chm, cmd, com, cpl, crt, csr, der, exe, fxp, hlp, hta, iframe, inf, ins, isp, its, js, jse, lnk, mad, maf, mag, mam, mar, mas, mat, mde, mim, msc, msi, msp, mst, ole, pcd, pif, reg, scr, sct, shb, shs, vb, vbe, vbmacros, vbs, vsw, wmd, ws, wsc, wsf, wsh and xxe.

Rename file extensions, if you still need to send executable files or scripts. The latter is included with all our mailboxes for free and easily allows transfers to and from others.

If our e-mail system cannot deliver an e-mail even after the delivering system has accepted it, you will automatically be informed via a bounce message non-delivery notification.

If you have not received an error message, the t-online. Perhaps your e-mail was classified as spam and is in the recipient's spam folder.

Ensure you use your valid e-mail address as the envelope sender "mail from" to avoid receiving any bounce e-mails. Ensure that the e-mail coding complies with the standards.

The size relates to the entire e-mail, i. If the recipient has set up e-mail forwarding, your e-mail will be forwarded there.

You may receive a bounce e-mail from another provider after a few minutes. Please check this message and note that Telekom cannot resolve any errors that this other provider may have.

If your e-mail meets all the requirements and yet still does not arrive, you can find further tips under "Checking the SMTP dialog". Greylisting is generally understood to mean that every incoming e-mail is initially rejected temporarily and only accepted after a renewed delivery attempt.

This is based on the assumption that only authorized e-mail systems initiate renewed delivery of rejected e-mails. As greylisting cannot actually identify unauthorized e-mails and also hinders the delivery of legitimate e-mails, Telekom systems do not use this procedure.

The Sender Policy Framework, SPF for short, can enable a check to determine whether the sending IP address is authorized to send e-mails for the domain in question.

This procedure has numerous vulnerabilities that cannot be compensated for, including those that are described here. Therefore, Telekom does not use SPF either passively when receiving e-mails or actively for sending by creating corresponding DNS resources.

Until now, we have neither used nor evaluated DKIM signatures. Such information is always treated as strictly confidential.

You can find Telekom's official data protection guidelines here. We require mail server operators to take account of the recommendations provided in the "Practical tips for senders of e-mails" section, if appropriate.

In particular, we recommend choosing a host name that indicates its usage as a mail server eg. In particular, it must contain an e-mail address as an abuse contact for the operator.

Alternatively, it must contain an e-mail address for the provider if the IP address in question is not delegated to the mail server operator.

We expect you to treat the resources provided with as much respect as possible. We reserve the right to temporarily restrict receipt of e-mails from the IP addresses concerned in the event of unusual traffic volumes, or to suspend receipt in the event of permanent faults.

The automated use of an external blacklist always carries the risk of also preventing legitimate communication. Even though the term "blacklist" suggests a black and white judgment, it is advisable to use several criteria.

You should at least remove known e-mail services from automated filtering by using your own whitelist. Use extreme caution when selecting any external blacklist that you plan to use.

To counteract any unwanted blacklisting, either maintain your own whitelist or integrate an external list, such as the DNSWL. Of course, our servers that send e-mails are also listed there.

Only through proactive management of the blacklists and whitelists you use can you ensure that your users actually receive the desired e-mails.

Ensure that your servers are not set up as open proxy or open relay and that they do not forward any e-mails that you receive from open relay or open proxy connections.

Always keep your software up to date to prevent misuse of your resources and protect yourself against damage to your good reputation.

Use filters for outgoing e-mail as well to reduce the dispatch of junk mail spam and e-mails containing viruses. February Learn how and when to remove this template message.

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources.

Unsourced material may be challenged and removed. This section needs additional citations for verification.

Retrieved Ströer Digital Publishing. Edward Elgar Publishing. Categories : Deutsche Telekom Internet service providers of Germany Companies based in Berlin establishments in Germany German companies established in Web portals.

Hidden categories: CS1 German-language sources de Wikipedia articles that are too technical from February All articles that are too technical Articles needing additional references from February All articles needing additional references Articles with multiple maintenance issues Articles with short description Short description is different from Wikidata.