On Fri, Jan 02, 2015 at 03:46:49AM +0800, Jeffrey 'jf' Lim wrote: > As per subject. > http://www.postfix.org/postconf.5.html#enable_long_queue_ids says: > "For safety reasons the vowels (AEIOUaeiou) are excluded from the > alphabet." In what way are vowels unsafe? > > I can see why certain letters might be avoided in order to avoid typos > (capital 'i' might be mistaken for lowercase 'l', capital 'O' for the > number '0', etc.), but I'm not seeing how vowels are "unsafe". Could > somebody explain this to me?
Unless you're Czech, random strings containing only consonants are unlikely to accidentally spell out offensive words. Happy New Year. -- Viktor.