How to Create a Private or Public Channel on Telegram? "Doxxing content is forbidden on Telegram and our moderators routinely remove such content from around the world," said a spokesman for the messaging app, Remi Vaughn. Your posting frequency depends on the topic of your channel. If you have a news channel, itโs OK to publish new content every day (or even every hour). For other industries, stick with 2-3 large posts a week. The optimal dimension of the avatar on Telegram is 512px by 512px, and itโs recommended to use PNG format to deliver an unpixelated avatar. Telegram iOS app: In the โChatsโ tab, click the new message icon in the right upper corner. Select โNew Channel.โ
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