13:13 <FromGitter> <rishavs> For adding verification mails/forgot password mails to my crystal site, what would be the recommended way? ⏎ Use a specific shard or a mail over http provider? ⏎ Any recommendations?

14:29 <FromGitter> <grkek> Hello People

14:42 <casionaut> hello

15:57 <FromGitter> <Blacksmoke16> o/

16:15 <FromGitter> <Blacksmoke16> @rishavs REST API of some provider would prob be simplest. E.g. Postmark or something.

16:15 <FromGitter> <Blacksmoke16> https://linux.die.net/man/8/sendmail.sendmail is also a thing

16:33 <riza> @rishavs https://github.com/luckyframework/carbon has adapters to several rest api email vendors

16:35 <FromGitter> <jrei:matrix.org> Or could use a SMTP library too

16:36 <riza> if you do, you need to get the dkim and spf stuff setup or you'll get your server ip blacklisted in about 23 emails

16:38 <FromGitter> <jrei:matrix.org> I don't say setting up an email server

16:40 <FromGitter> <jrei:matrix.org> For example OVH provides a free email box along with the domain name, one could use it.

16:49 <riza> oh that's fair, you can use SMTP to send with most of the email APIs and they'll still handle the actual mail serving

23:15 <postmodern> is there a way to build a String out of multiple Chars? All of the String builder methods seem to rely on UInt8 values

23:15 <FromGitter> <Blacksmoke16> ```String.build do |io| ⏎ char1.to_s io ⏎ char2.to_s io ⏎ end``` [https://gitter.im/crystal-lang/crystal?at=61773a9b9d20982e4fdfac75]

23:17 <postmodern> ah clever

23:19 <postmodern> also kind of wish there was something like String.build, but was prepopulated with the contents of the string to make manipulating a String easier

23:20 <postmodern> probably could be done like the above: String.build(self.length) { |builder| builder << self.dup; builder.rewind; yield builder }

23:20 <FromGitter> <Blacksmoke16> for what purpose?

23:21 <postmodern> easily changing a single character at a given index in a stringg

23:22 <FromGitter> <Blacksmoke16> `"hello".sub(1, 'a') # => "hallo"`

23:22 <FromGitter> <Blacksmoke16> tada?

23:22 <postmodern> trying to port this code to crystal. it enumerates over all possible strings of a given length made of a given character set. does pretty basic character substitution using a transition table and some looping https://github.com/postmodern/chars.rb/blob/a6324db5d8093616f1f2f027e6de71aef071205e/lib/chars/string_enumerator.rb#L61-L94

23:22 <postmodern> wow that's an interesting use of sub

23:22 <postmodern> er overload of sub

23:23 <FromGitter> <Blacksmoke16> is also one that takes a `Range`

23:24 <FromGitter> <Blacksmoke16> there's another that supports a hash where the keys are subbed for their value