A post signature is a branded closing block — typically a channel name, tagline, or call-to-action — appended to every post published on a Telegram channel to reinforce identity and drive cross-channel discovery. Signatures are especially valuable for operators running multiple channels or syndicating content across platforms, where consistent attribution prevents audience confusion. Autogram stores a signature template per channel and pre-fills it into the composer when you create a post, so the block does not have to be pasted in by hand each time.
A signature repeats on every post, so its cost is paid hundreds of times while its benefit is paid once per new reader. That asymmetry argues for brevity: a channel name and one destination, not a list of every place you exist. The practical test is whether a line would still be worth its space if the reader had already seen it fifty times.
The two are often merged, and both suffer for it. A call to action belongs to one post and asks for something specific; a signature is constant and asks for nothing beyond recognition. When a permanent block carries an urgent request, readers learn to skip it, and the genuinely urgent request in the next post gets skipped along with it.
Signatures age badly because they are written once and then applied automatically. A renamed channel, a retired link or a tagline from an old positioning keeps shipping until somebody notices, and posts already published keep the version they were sent with. Treating the signature as something to re-read whenever the channel's name, offer or link structure changes is cheaper than auditing it later.
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