User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Trident/4.0; GTB6.5; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.30729; .NET4.0C; .NET CLR 3.0.30729; InfoPath.2; AskTbWCV5/5.8.0.12304) Build Identifier: Thunderbird 3.1.3 I have set different font stylye in my signature Gothic E for the first line this is ignored and is subed with the default font. Reproducible: Always Steps to Reproduce: 1. creat a signature with custom fonts 2. save it 3. creat a new enmail 4. insert the signature Actual Results: 1. creat a signature with custom fonts 2. save it 3. creat a new enmail 4. insert the signature Expected Results: The asssigned fron was NOT recorgnise it was sub by the default font. Should have place the custo fonts with that were save/conyained within the signature. It was in 3.1.2

Paul, If you are using Font face to select the font , then this is dup of bug 592601 This has just been recently corrected in the core code, but missed 3.1.3 See https://bugzilla.mozilla.org/show_bug.cgi?id=592601#c4 for a work-around.