Undo Send
Implement a 'send email delay' when you press Send button it does not send email immediately, just with a slight 5 to 10 second delay, or ability to cancel sending an email after I press Send button.
Just like Google has in its Gmail.

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nanga commented
Hey @Protonmail this is a must-have k i l l e r feature of modern mailing and I can't understand why the crowd doesn't push it up.
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Anonymous commented
This has been planned forever. I really need scheduled send. Email need to go at X time and date. This has so many uses.
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sac commented
Yes, that would be a very good improvement!!
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Stefanie commented
yes, please, this, as well as scheduling emails, is very much needed!! I
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Anonymous commented
hell yeah... this is a MUST in 2019 guys...
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Anonymous commented
hell yeah... this is a MUST in 2019 guys...
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Anonymous commented
hell yeah... this is a MUST in 2019 guys...
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Anonymous commented
hell yeah... this is a MUST in 2019 guys...
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Anonymous commented
I wish there was the ability to schedule messages; i.e. send this email at 8:00am tomorrow.
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Anonymous commented
I would like to be able to retract an email once it is sent as one can do now in Gmail up to 30 seconds later. I would like that time extended to one minute.
In the free version, I would like more fonts and colors. I have found that colors will display if pasted in from a colored source text but no original colors are available now.
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William Porter commented
I'd really like to switch my work email to ProtonMail from Google's G Suite, but Google provides three features that I don't think I can live without in ProtonMail. Undo Send is #1. #2 is scheduled send (fairly new to G Suite but very useful) and the last is full-text search of emails. TutaNota provides full-text searching and I like it's UI as well, but in nearly all other respects it's not nearly as mature a product as ProtonMail, so I don't see TutaNota as an option.
If ProtonMail just added Undo Send (a.k.a. "send delay") I'd be strongly tempted to use it exclusively.
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Gabi commented
+1
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Jonah commented
+1 for this feature. Would be nice to schedule an email while I am composing so that I don't forget to send it later.
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Verito commented
I basically use Boomerang for Gmail now. This has been a planned feature for years and they have yet to get around to doing it. Rather than a send email delay there just needs to be an option that allows the user to set a time and date for the email to send and when the send button is clicked to send instantly then there needs to be a delay which is adjustable in the settings to satisfy all users who want this feature.
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Eirik commented
Without this feature, I can't use protonmail for business. My hands are clasped in prayer.
30 seconds would be optimal IMHO. -
Tarja Moles commented
This feature would be so useful!
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Anonymous commented
I second that request. Scheduled SEND option is critical with an option to default SEND DELAY for X minutes. THis allows an end user to send out emails with a delay of 1 minute for example and catch the email in outbound folder to make changes or fix a mistake.
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Twilight commented
Try clicking on empty white space and pretending you sent it. Works great for me. I catch mistakes really quickly if there are any, and then I actually send it.
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JHA commented
My send is delayed on my gmail account by choice for 30 seconds and it has saved me both mistakes or having to add onto an email and looking imprecise. Would love that choice!
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Pat commented
Totally for this idea! As a business user, there are times when you have to redo the content of the email before sending. Every word is crucial so you really have to think about what you are saying and this Gmail feature saves a lot. Would like to see this in Protonmail because I'm leaning more and more to using the platform for my businesses, but the features are still lacking.