Bump mail from 2.5.3 to 2.5.5

[dependabot]

Bumps mail from 2.5.3 to 2.5.5.

Changelog

Sourced from mail's changelog.

== Version 2.5.5 - 2017-06-09 Jeremy Daer [email protected]

Security:

• #1097 – SMTP security: prevent command injection via To/From addresses. (jeremy)

Bugs:

• #633 – Cope with message parts that have an empty Content-Type (ThomasKoppensteiner, zeepeeare)
• #689 - Fix Exim delivery method broken by #477 in 2.5.4. (jethrogb)

== Version 2.5.4 - Tue May 14 14:45:00 +1100 2013 Mikel Lindsaar [email protected]

Features:

• Save settings passed to TestMailer#new (svanderbleek)
• Allow the setting of envelope from directly (jeremy)
• Accept other IETF/IANA-registered Content-Types and Content-Transfer-Encodings (jeremy)
• Alias shift-jis charset to Shift_JIS Ruby encoding (jeremy)
• Add support for ks_c_5601-1987 charset, aliased to CP949 Ruby encoding (jeremy)
• Don't allow colons in header names (jeremy)
• Can assign arrays of Message-IDs to References and In-Reply-To (jeremy)
• Setting the html_ or text_part sets a default text/html or text/plain content type (jeremy)
• Setting the html_ or text_part to nil removes it (jeremy)
• Addresses without a parsable email or display name still format as their raw text (jeremy)
• Close pull request 504 - Alias GB2312 charset to GB18030 Ruby encoding (bpot)
• Close pull request 399 - Accept :ca_path and :ca_file options for SMTP delivery (ndbroadbent)
• Close pull request 389 - Don't add superfluous message headers to MIME parts (djmaze, jeremy)

Performance:

• Close pull request 488 - Speed up field construction & comparison (bpot)

Bugs:

• Don't include separating semicolon in paramter value when sanitizing (bpot)
• Fix fencepost encoding problem with binhex strings and only one token (drasch)
• Fix sendmail delivery to addresses with a leading hyphen (lifo, jeremy)
• Correctly format mbox From headers per RFC4155 (bpot, jeremy)
• Fix bogus '=' at the end of some quoted-printable messages (jeremy)
• Shouldn't be fooled into encoding strings on 1.8 by unrelated Encoding constant (emiellohr, jeremy)
• Header encoding should be US-ASCII, not the default external encoding (jeremy)
• Address elements should return decoded display names by default (jeremy)
• Fix up tests that depend on utf-8 external encoding; read fixtures as binary (jeremy)
• Capture stderr from Sendmail and Exim deliveries (jeremy)
• RFC2822 quoted_string content may be empty (jeremy)
• Calling #to_s on a field with a nil value returns an empty string instead of nil (jeremy)
• The Received header may contain zero name/value pairs, qmail-style (jeremy)
• Fix that setting an attachment with a :mime_type and :encoding would override the :encoding (jeremy)
• Fix that declaring an html_part but no text_part would use multipart/alternative anyway (jeremy)
• Close pull request 508 - Don't add an extra CRLF to MIME parts; split MIME parts on correct CRLF boundaries (Aalanar)
• Close pull request 506 - Escape backslashes in quoted strings (ConradIrwin)
• Close pull request 496 - Correctly handle quoted-printable line breaks (jeremy)
• Close pull request 493 - Repair misencoded quoted-printable line breaks (jeremy)
• Close pull request 487 - Extract comments from group email addresses (bpot)

... (truncated)

Commits

• 97a8548 2.5.5 release
• 63fb41b Always use an SSL context. [Fixes #548]
• f84b84d Specs: fix missing should_receive from f60ccc660434d445b78e8281833c99048a00de20
• f60ccc6 Fix Mail::Exim, forgotten in 4875bc2b
• 527067d Gemfile: no rdoc 5 on Ruby 1.9.2
• 396d39f Clamp down allowed gem versions depending on Ruby version supported
• b9cee02 Specs: fix expect-style that wasn't backported to old should-style
• b5a2884 Backport fixes for specs on Ruby 1.9.3+
• 6110413 Fix tested Ruby versions in README
• ddc85ed use latest ruby version in CI
• Additional commits viewable in compare view

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